{"title":"UMI Performance Coil Springs","description":null,"products":[{"product_id":"gm-fbody-spring-kit-1in-1-5in-lowering-umi2461","title":"Spring Kit, 1in.-1.5in. lowering\u003cbr\u003e82-92 GM F-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nUMI's performance lowering springs are built to lower the 3rd Gen approx. 1\" - 1.5\" and increase the spring rates for a crisp handling experience and better stance. UMI springs are Made in USA of 5160 CrSi wire up front and 9254 CrSi wire in the rear. The 600 lb\/in front rate and 200 lb\/in linear rear rate reduces floating and body roll while still allowing for comfortable cruising and performance handling. Think of it as permanent sport mode! These springs work with the popular Koni and KYB shocks and struts as well as with other factory style dampers. As an industry leader in the muscle car suspension industry, UMI is proud to bring you the best spring in the business. Designed in conjunction with a leading NASCAR engineer, we are proud to offer the highest quality spring choice available.100% designed and manufactured with pride in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent rates and only the best materials (premium Chrome Silicon wire) ensure your cars sits properly for years to come.\u003c\/li\u003e\n\u003cli\u003eLinear spring rates (600 lb\/in front, 200 lb\/in rear) provides a firm yet comfortable ride and incredible handling.\u003c\/li\u003e\n\u003cli\u003eNo more floating feeling.\u003c\/li\u003e\n\u003cli\u003eSuitable for Pro-Tour, Auto-x and general cruising.\u003c\/li\u003e\n\u003cli\u003eWorks best with Koni, KYB or other equivalent standard mount strut and shock.\u003c\/li\u003e\n\u003cli\u003e100% Made In USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI 82?92 F?Body Spring Kit 1?1.5in Drop\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1982-1992 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1982-1992 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888918618475,"sku":"UMI-2461","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-2461-1_f2727174-130e-479a-87c3-828a28616e11.jpg?v=1789979505"},{"product_id":"gm-abody-spring-kit-factory-height-umi4049","title":"Spring Kit, Factory Height\u003cbr\u003e67-72 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. UMI's springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb\/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving and general cruising. The ride height is engineered to be level with standard SBC, Pontiac 400 and aluminum head\/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Spring Kit, Front\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888920158571,"sku":"UMI-4049","price":349.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4049-1.jpg?v=1789986120"},{"product_id":"gm-abody-spring-kit-factory-height-umi4048","title":"Spring Kit, Factory Height\u003cbr\u003e64-66 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. UMI's springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb\/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving and general cruising. The ride height is engineered to be level with standard SBC, Pontiac 400 and aluminum head\/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888927596907,"sku":"UMI-4048","price":349.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4048-1.jpg?v=1789986115"},{"product_id":"gm-abody-spring-kit-1in-lowering-umi4052","title":"Spring Kit, 1in. Lowering\u003cbr\u003e64-66 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb\/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. The ride height is engineered for a 1\" lowering with standard SBC, Pontiac 400 and aluminum head\/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- A-Body Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888935264619,"sku":"UMI-4052","price":319.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4052-1.jpg?v=1789986136"},{"product_id":"gm-abody-gbody-1in-lowering-spring-rear-umi4050r","title":"1in. Lowering Spring, Rear\u003cbr\u003e64-72 GM A-Body, 78-88 G-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. These springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA. As an industry leader in the muscle car suspension industry, UMI is proud to bring you the best spring in the business. Consistent rates and only the best materials (premium Chrome Silicon wire) ensure your car sits properly for years to come. Linear spring rates (530 lb\/in front, 130 lb\/in rear) provides a firm yet comfortable ride and incredible handling. No more floating feeling. Suitable for Pro-Tour, Auto-x and general cruising.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- 1\" Lowering Spring\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1967 Buick Gran Sport\u003c\/li\u003e\n\u003cli\u003e1978-1988 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1967-1972 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1967-1972 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1967-1972,1978-1987 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1967,1978-1983 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1970-1972,1978-1988 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1967-1971 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1967-1972 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1967-1972,1978-1981,1985-1988 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1967-1972 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e1967-1972,1978-1988 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1978-1981 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1967-1970 Pontiac Tempest\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888937001323,"sku":"UMI-4050R","price":189.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4050R-1_9f96634d-f599-4bb1-93b0-ddcdb727ac20.jpg?v=1789986189"},{"product_id":"gm-abody-factory-height-springs-front-umi4049f","title":"Factory Height Springs, Front\u003cbr\u003e64-72 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. UMI's springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving and general cruising. The ride height is engineered to be level with standard SBC, Pontiac 400 and aluminum head\/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Lowering Spring, Front, Std Height\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888947257707,"sku":"UMI-4049F","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4049F-1.jpg?v=1789986150"},{"product_id":"gm-abody-1in-lowering-spring-set-rear-umi4052r","title":"1in. Lowering Spring Set, Rear\u003cbr\u003e64-66 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. These springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Lowering Spring, Rear, 1 In Drop\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888956399979,"sku":"UMI-4052R","price":189.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4052R-1.jpg?v=1789986161"},{"product_id":"gm-abody-spring-kit-2in-lowering-umi4051","title":"Spring Kit, 2in. Lowering\u003cbr\u003e67-72 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb\/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. The ride height is engineered for a 2\" lowering with standard SBC, Pontiac 400 and aluminum head\/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Lowering Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1967 Buick Gran Sport\u003c\/li\u003e\n\u003cli\u003e1967-1972 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1964-1972 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1967-1972 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1970-1972 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1967-1971 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1967-1972 Oldsmobile F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1967-1972 Pontiac GTO Grand Prix\u003c\/li\u003e\n\u003cli\u003e1967-1970 Pontiac Tempest\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888962068843,"sku":"UMI-4051","price":319.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4051-1.jpg?v=1789986131"},{"product_id":"gm-abody-factory-height-springs-rear-umi4048r","title":"Factory Height Springs, Rear\u003cbr\u003e64-66 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. UMI's springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving and general cruising. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Lowering Springs, Rear, Std Height\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888973996395,"sku":"UMI-4048R","price":189.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4048R-1.jpg?v=1789986145"},{"product_id":"gm-abody-spring-kit-2in-lowering-umi4053","title":"Spring Kit, 2in. Lowering\u003cbr\u003e64-66 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb\/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. The ride height is engineered for a 2\" lowering with standard SBC, Pontiac 400 and aluminum head\/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- A-Body Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888987201899,"sku":"UMI-4053","price":319.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4053-1.jpg?v=1789986140"},{"product_id":"gm-abody-gbody-2in-lowering-spring-rear-umi4051r","title":"2in. Lowering Spring, Rear\u003cbr\u003e64-72 GM A-Body, 78-88 G-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. These springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- 2\" Lowering Spring\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1967 Buick Gran Sport\u003c\/li\u003e\n\u003cli\u003e1978-1988 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1967-1972 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1967-1972 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1967-1972,1978-1987 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1967,1978-1983 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1970-1972,1978-1988 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1967-1971 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1967-1972 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1967-1972,1978-1981,1985-1988 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1967-1972 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e1967-1972,1978-1988 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1978-1981 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1967-1970 Pontiac Tempest\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888988086635,"sku":"UMI-4051R","price":189.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4051R-1_cf1873c7-851d-4623-b8ea-dd13ce5a9e00.jpg?v=1789986253"},{"product_id":"gbody-lowering-spring-kit-2in-lowering-umi3051","title":"Lowering Spring Kit, 2in. Lowering\u003cbr\u003e78-88 G-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 600 lb\/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the G-Body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. The ride height is engineered for a 2\" lowering with standard SBC as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when 1\/4\" nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA. V6 Turbo Grand National may require spring trimming due to lower engine weight.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Lowering Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1978-1987 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1978-1987 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1978-1983 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1978-1988 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1983-1994 Chevrolet S10 Blazer\u003c\/li\u003e\n\u003cli\u003e1982-2003 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1978-1987 GMC Caballero\u003c\/li\u003e\n\u003cli\u003e1983-1991 GMC S15 Jimmy\u003c\/li\u003e\n\u003cli\u003e1982-1990 GMC S15\u003c\/li\u003e\n\u003cli\u003e1991-2003 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1978-1984 Oldsmobile Cutlass Calais\u003c\/li\u003e\n\u003cli\u003e1982-1988 Oldsmobile Cutlass Ciera\u003c\/li\u003e\n\u003cli\u003e1978-1981,1985-1988 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1978-1980,1985-1987 Oldsmobile Cutlass Salon\u003c\/li\u003e\n\u003cli\u003e1980-1983 Oldsmobile Cutlass Cruiser\u003c\/li\u003e\n\u003cli\u003e1978-1988 Oldsmobile Cutlass Supreme\u003c\/li\u003e\n\u003cli\u003e1982-1986 Pontiac Bonneville\u003c\/li\u003e\n\u003cli\u003e1978-1987 Pontiac Grand Prix\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888990183787,"sku":"UMI-3051","price":319.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-3051-1_c2dcfe94-017c-483d-bec9-87af2bf92e44.jpg?v=1789983195"},{"product_id":"gm-abody-factory-height-springs-rear-umi4049r","title":"Factory Height Springs, Rear\u003cbr\u003e67-72 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. These springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb\/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the \"floating\" feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving and general cruising. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1967-1972 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1967-1969 Buick Special\u003c\/li\u003e\n\u003cli\u003e1967-1972 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1967-1971 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1967-1972 Oldsmobile F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1967-1972 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53888993591659,"sku":"UMI-4049R","price":189.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-4049R-1.jpg?v=1789986156"},{"product_id":"gm-abody-umi-shock-spring-kit-factory-height-umiss203048","title":"UMI Shock\/Spring Kit, Factory Height\u003cbr\u003e64-66 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nThe UMI Performance spring and shock kit is designed to provide a huge improvement in handling and control. These kits feature our race quality springs which provide a high performance foundation for your ride. Premium US sourced CrSi wire is wound into the correct rates for street cruising, Pro-Touring, corner carving or light drag use. Bilstein gas charged shocks provide a great mix of comfort and control.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI\/Bilstein- Shock And Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1964-1966 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1964-1966 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1964-1966 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1964-1966 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889003323755,"sku":"UMI-SS203048","price":827.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-SS203048-1.jpg?v=1789992891"},{"product_id":"universal-umi-coilover-spring-2-5in-x-8in-x-850-lb-in-umi8vb850b","title":"UMI Coilover Spring 2.5in. x 8in. x 850 lb\/in\u003cbr\u003eUniversal","description":"\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Coilover Spring 2.5\" 8\" 850 Lb\/In\u003c\/li\u003e\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889006698859,"sku":"UMI-8VB850B","price":74.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-8VB850B-1.jpg?v=1789987045"},{"product_id":"gm-c-front-lowering-springs-2in-drop-umi6452f","title":"Front Lowering Springs, 2in. drop\u003cbr\u003e73-87 GM C10","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nUMI's 2¡å front lowering spring kit features high quality construction and a medium firm 900 lb\/in spring rating. UMI springs are suitable for daily driving, back road corner carving and even occasional parts hauling. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Front Spring\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1963-1974 Chevrolet C10 Pickup\u003c\/li\u003e\n\u003cli\u003e1975-1986 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1967-1986 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet R10\u003c\/li\u003e\n\u003cli\u003e1970-1974 GMC C15\/C1500 Pickup\u003c\/li\u003e\n\u003cli\u003e1979-1986 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1975-1978 GMC C15 C15 Suburban\u003c\/li\u003e\n\u003cli\u003e1987 GMC R1500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889008304491,"sku":"UMI-6452F","price":149.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-6452F-1.jpg?v=1789992100"},{"product_id":"universal-umi-coilover-spring-2-5in-x-10in-x-200-lb-in-umi10vb200b","title":"UMI Coilover Spring 2.5in. x 10in. x 200 lb\/in\u003cbr\u003eUniversal","description":"\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Coilover Spring 2.5\" 10\" 200 Lb\/In\u003c\/li\u003e\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889009942891,"sku":"UMI-10VB200B","price":74.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-10VB200B-1.jpg?v=1789987047"},{"product_id":"universal-umi-coilover-spring-2-5in-x-10in-x-275-lb-in-umi10vb275b","title":"UMI Coilover Spring 2.5in. x 10in. x 275 lb\/in\u003cbr\u003eUniversal","description":"\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Coilover Spring 2.5\" 10\" 275 Lb\/In\u003c\/li\u003e\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889023902059,"sku":"UMI-10VB275B","price":74.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-10VB275B-1.jpg?v=1789987050"},{"product_id":"gm-fbody-lowering-springs-rear-1-5in-lowering-umi2061r","title":"Lowering Springs, Rear, 1.5in. Lowering\u003cbr\u003e93-02 GM F-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nWorks best with Koni, Bilstein or other equivalent standard mount damper.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eApproximately 1.5 inch lowering for 4th Gen rear\u003c\/li\u003e\n\u003cli\u003eIncreased spring rates for improved handling\u003c\/li\u003e\n\u003cli\u003eMade in the USA using 9254 CrSi wire\u003c\/li\u003e\n\u003cli\u003e200 lb\/in linear rear rate\u003c\/li\u003e\n\u003cli\u003eReduces floating and body roll\u003c\/li\u003e\n\u003cli\u003eCompatible with popular dampers such as Koni and Bilstein\u003c\/li\u003e\n\u003cli\u003eDesigned in collaboration with a leading spring cup engineer\u003c\/li\u003e\n\u003cli\u003eConsistent rates and premium Chrome Silicon wire materials\u003c\/li\u003e\n\u003cli\u003eLinear front rate of 600 lb\/in and rear rate of 200 lb\/in\u003c\/li\u003e\n\u003cli\u003eFirm yet comfortable ride with exceptional handling\u003c\/li\u003e\n\u003cli\u003eSuitable for Pro-Touring, Auto-x, and general cruising\u003c\/li\u003e\n\u003cli\u003eWorks best with Koni, Bilstein, or equivalent standard mount dampers\u003c\/li\u003e\n\u003cli\u003e100% designed and manufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI\/Bilstein- Lowering Spring Set Rear\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1982-2002 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1982-2002 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889024360811,"sku":"UMI-2061R","price":149.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-2061R-1_0b7bd621-99cc-41f4-a170-bdabec4569bd.jpg?v=1789987535"},{"product_id":"universal-umi-coilover-spring-2-5in-x-12in-x-600-lb-in-umi12vb600b","title":"UMI Coilover Spring 2.5in. x 12in. x 600 lb\/in\u003cbr\u003eUniversal","description":"\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Coilover Spring 2.5\" 12\" 600 Lb\/In\u003c\/li\u003e\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889028522347,"sku":"UMI-12VB600B","price":84.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-12VB600B-1.jpg?v=1789987053"},{"product_id":"gm-fbody-lowering-springs-front-1-25in-lowering-umi2061f","title":"Lowering Springs, Front, 1.25in. Lowering\u003cbr\u003e93-02 GM F-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nWorks best with Koni, Bilstein or other equivalent standard mount damper.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eFront end lowering of approximately 1.25\"\u003c\/li\u003e\n\u003cli\u003eIncreased spring rates for improved handling\u003c\/li\u003e\n\u003cli\u003eMade in the USA using 5160 CrSi wire\u003c\/li\u003e\n\u003cli\u003eFront rate of 600 lb\/in\u003c\/li\u003e\n\u003cli\u003eReduces floating and body roll\u003c\/li\u003e\n\u003cli\u003eComfortable cruising experience with enhanced performance handling\u003c\/li\u003e\n\u003cli\u003eCompatible with popular dampers such as Koni and Bilstein\u003c\/li\u003e\n\u003cli\u003eLinear spring rates (600 lb\/in front, 200 lb\/in rear)\u003c\/li\u003e\n\u003cli\u003eEliminates floating feeling for enhanced stability\u003c\/li\u003e\n\u003cli\u003eSuitable for various driving styles\u003c\/li\u003e\n\u003cli\u003eWorks best with Koni, Bilstein, or equivalent standard mount dampers\u003c\/li\u003e\n\u003cli\u003eConsistent rates and premium Chrome Silicon wire for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eDesigned in collaboration with a top spring cup engineer for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI\/Bilstein- Lowering Spring Set Front\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1993-2002 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1993-2002 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889030652267,"sku":"UMI-2061F","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-2061F-1_66c25d71-a453-428c-9af0-c32e2a8ecdfe.jpg?v=1789987543"},{"product_id":"universal-umi-coilover-spring-2-5in-x-12in-x-850-lb-in-umi12vb850b","title":"UMI Coilover Spring 2.5in. x 12in. x 850 lb\/in\u003cbr\u003eUniversal","description":"\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Coilover Spring 2.5\" 12\" 850 Lb\/In\u003c\/li\u003e\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889039729003,"sku":"UMI-12VB850B","price":84.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-12VB850B-1.jpg?v=1789987042"},{"product_id":"gm-fbody-lowering-spring-front-2in-lowering-umi2647f","title":"Lowering Spring, Front, 2in. Lowering\u003cbr\u003e70-81 GM F-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nUMI's 2nd Gen F-Body lowering springs are wound from 5160 CrSi premium wire and feature a linear 600 lb\/in rate. UMI's front springs are stiffer than stock to provide increased performance with decreased body roll and a lower center of gravity. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving\/cruising. The ride height is engineered for a target 1\" lowering with standard SBC as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight big block applications when 1\/4\" additional lowering is desired. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent rates and only the best materials (premium Chrome Silicon wire) ensure your cars sits properly for years to come.\u003c\/li\u003e\n\u003cli\u003eLinear spring rate of 600 lb\/in front provides a firm yet comfortable ride and incredible handling.\u003c\/li\u003e\n\u003cli\u003eNo more floating feeling.\u003c\/li\u003e\n\u003cli\u003eSuitable for Pro-Tour, Auto-x and general cruising.\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Lowering Spring\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1970-1981 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1970-1981 Pontiac Firebird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889041629547,"sku":"UMI-2647F","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-2647F-1.jpg?v=1789990779"},{"product_id":"gm-abody-umi-shock-spring-kit-factory-height-umiss203049","title":"UMI Shock\/Spring Kit, Factory Height\u003cbr\u003e67 GM A-Body","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\nThe UMI Performance spring and shock kit provides a huge improvement in handling and control while maintaining factory ride height. These kits feature our race quality lowering springs which provide a high performance foundation for your ride. Premium US sourced CrSi wire is wound into the correct rates for street cruising, Pro-Touring, corner carving or light drag use. The UMI Performance monotube shock features medium-firm compression valving and a ramped up rebound curve to properly control the UMI spring. The rebound valving also controls body roll when cornering and contributes to a high performance ride.\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\u003cli\u003eUMI- Shock And Spring Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e1967 Buick Skylark Special\u003c\/li\u003e\n\u003cli\u003e1967 Chevrolet Chevelle El Camino\u003c\/li\u003e\n\u003cli\u003e1967 Oldsmobile 442 F85 Cutlass\u003c\/li\u003e\n\u003cli\u003e1967 Pontiac GTO LeMans\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53889044349291,"sku":"UMI-SS203049","price":827.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/UMI-SS203049-1.jpg?v=1789992894"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/collections\/slf-112_xl_5c8b78c4-a622-464c-a8f4-36aebc6987ef.jpg?v=1789969757","url":"https:\/\/caautoparts.com\/collections\/umi-performance-coil-springs.oembed","provider":"CA Auto Parts","version":"1.0","type":"link"}