{"product_id":"edelbrock-cylinder-head-sb-chrysler-performer-rpm-for-hydraulic-roller-cam-complete-ea","title":"Edelbrock Cylinder Head SB Chrysler Performer RPM for Hydraulic Roller Cam Complete (Ea)","description":"Cylinder Head Specifications: Combustion chamber volume: 63cc \/ 65cc; Intake runner volume: 171cc; Exhaust runner volume: 77cc; Intake valve diameter: 2.02\"; Exhaust valve diameter: 1.60\"; Valve stem diameter: 11\/32\"; Valve guides: Manganese bronze; Deck thickness: 5\/8\"; Valve spring diameter: 1.46\"; Valve spring maximum lift: .575\"; Rocker stud: N\/A; Guideplate: N\/A; Pushrod diameter: 5\/16\"; Valve angle: 18°; Exhaust port location: Stock; Spark plug fitment: 14mm x 3\/4 reach, gasket seat. * The special valvetrain in the 1970 340 T\/A is not compatible with these cylinder heads. Match with Edelbrock head gasket sets. Bare heads will have valve guides \u0026amp; seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3\/4\" reach with flat gasket seat. Deck thickness: 5\/8\", pushrod diameter: 5\/16\".","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":40597416181939,"sku":"EDE60775","price":1041.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/3758\/1491\/products\/00c8a32a54b9b935abf49162062cce32.jpg?v=1631979770","url":"https:\/\/hellhoundperformance.store\/products\/edelbrock-cylinder-head-sb-chrysler-performer-rpm-for-hydraulic-roller-cam-complete-ea","provider":"Hellhound Performance","version":"1.0","type":"link"}