{"product_id":"edl-60609","title":"RPM PONTIAC CNC CHAMBER 87CC BARE","description":"\u003cp\u003e\u003cstrong\u003eBrand New Edelbrock RPM Bare Cylinder Head for 1962-1979 Pontiac 389-455 C.I.D. Engines (Part #60609). \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Edelbrock #60609 Performer RPM CNC Bare Cylinder Head has the same specifications as our popular Performer RPM cylinder head for 1962-79 389-455 C.I.D. Pontiac engines, but feature a CNC machined combustion chamber. The CNC machined chamber results in a consistent and precise chamber for improved flow performance. Performer RPM CNC cylinder head is available in two chamber sizes. The 87cc chamber version is ideal for 9.5:1 engines and will deliver excellent street performance on low octane fuel. The Edelbrock #60609 Performer RPM CNC cylinder head is patterned after the same port flange configuration as the 1969-1970 Ram-Air IV Pontiac Cylinder Head.\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eBare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using.\u003c\/li\u003e\n\u003cli\u003eFeatures CNC machined combustion chamber for a consistent and precise chamber for improved flow performance and spark plug location - These heads require Ram Air IV (round port) style exhaust manifolds or headers\u003c\/li\u003e\n\u003cli\u003eEdelbrock head bolt kit #8549\u003c\/li\u003e\n\u003cli\u003eMatch with Edelbrock complete head gasket set #7382.\u003c\/li\u003e\n\u003cli\u003eDeck thickness: 5\/8\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 450\u003cspan\u003e-650 HP\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat Angle:\u003c\/strong\u003e Exhaust 45 deg\/Intake 45 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Runner Volume:\u003c\/strong\u003e 215 cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush Rod Diameter:\u003c\/strong\u003e 0.312 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Angle:\u003c\/strong\u003e 14 deg\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"EDL 60609","offers":[{"title":"Default Title","offer_id":50395485536537,"sku":"EDL 60609","price":1073.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/0477\/6985\/files\/EDL_60609.jpg?v=1750188576","url":"https:\/\/southwestspeed.com\/products\/edl-60609","provider":"Southwest Speed","version":"1.0","type":"link"}