{"product_id":"cylinder-heads-ede61559","title":"Performer RPM Bare Cylinder Head \u003cbr\u003e Big Block Chevy Engines","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eThe Edelbrock 61559 Performer RPM Marine-Duty cylinder head is designed for use with Rectangular Port Big-Block Chevy Marine applications. The Edelbrock 61559 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifics and Features:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eCNC Ported: Yes\u003c\/li\u003e\n\u003cli\u003eConstruction Type: Bare With Valves\u003c\/li\u003e\n\u003cli\u003eDeck Thickness: 0.5625 IN\u003c\/li\u003e\n\u003cli\u003eEGR Port: No\u003c\/li\u003e\n\u003cli\u003eExhaust Port Location: Standard\u003c\/li\u003e\n\u003cli\u003eExhaust Runner Volume: 110 CCM\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.89 IN\u003c\/li\u003e\n\u003cli\u003eFamily: Performer RPM\u003c\/li\u003e\n\u003cli\u003eFlange Type: Rectangle Intake\u003c\/li\u003e\n\u003cli\u003eGuide Material: Manganese Bronze\u003c\/li\u003e\n\u003cli\u003eGuide Plate Material: Hardened Steel\u003c\/li\u003e\n\u003cli\u003eHorsepower: 500-600 HJ\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 2.25 IN\u003c\/li\u003e\n\u003cli\u003ePush Rod Diameter: (Suggested) 0.375 IN\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold Individually\u003c\/li\u003e\n\u003cli\u003eRetainer Included: No\u003c\/li\u003e\n\u003cli\u003eSeat Angle: Exhaust 45 deg\/Intake 45 DD\u003c\/li\u003e\n\u003cli\u003eSeat Material: Ductile Iron\u003c\/li\u003e\n\u003cli\u003eSeries: Performer RPM\u003c\/li\u003e\n\u003cli\u003eValve Angle: 26 DD\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.3438 IN\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eEdelbrock BBC Cylinder Head\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52773699354987,"sku":"EDE-61559","price":1558.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/EDE-61559-1.jpg?v=1768813145","url":"https:\/\/caautoparts.com\/products\/cylinder-heads-ede61559","provider":"CA Auto Parts","version":"1.0","type":"link"}