{"product_id":"engine-rocker-arm-parts-cca1631-16","title":"Ultra Pro Magnum Rocker Arm Set w\/ 1.6 Ratio \u003cbr\u003e for Ford 289-351W w\/ 3\/8in Stud","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\n\u003cbr\u003eUltra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring Oversized trunnions, precision-sorted needle bearings and hardened Roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050\" locks without clearance or fitment issues.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cli\u003eRocker Arm Material: 8650 Chromemoly Steel\n\u003c\/li\u003e\u003cli\u003eRocker Arm Ratio: 1\n\u003c\/li\u003e\u003cli\u003eRocker Arm Series: Ultra Pro Magnum\n\u003c\/li\u003e\u003cli\u003eRocker Stud Diameter: 3\/8 IN\n\u003c\/li\u003e\u003cli\u003eEngine Family: Ford 289-351W\n\u003c\/li\u003e\u003cli\u003eMaximum Valve Spring Open Pressure: 850\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cli\u003eEngine Rocker Arm Kit\u003c\/li\u003e","brand":"Comp Cams","offers":[{"title":"Default Title","offer_id":52886071574891,"sku":"CCA-1631-16","price":467.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/CCA-1631-16-1.jpg?v=1770601684","url":"https:\/\/caautoparts.com\/products\/engine-rocker-arm-parts-cca1631-16","provider":"CA Auto Parts","version":"1.0","type":"link"}