{"product_id":"edl-61569","title":"RPM CNC PONTIAC D-PORT CYLINDER HEAD 87CC BARE","description":"\u003cp\u003e\u003cstrong\u003eBrand New Edelbrock Performer RPM CNC 87cc Bare Cylinder Head for 1962-1979 389, 400, 421, 428 \u0026amp; 455 V8 Pontiac D-Port Engines with 4.060\" or Larger Bore (Part #\u003cspan\u003e61569\u003c\/span\u003e). \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Edelbrock #61569 Performer Pontiac Bare Cylinder Head utilizes a D-Port exhaust port configuration for use with standard D-port exhaust systems. They are designed for 1962-79 389, 400, 421, 428 and 455 C.I.D. V8 Pontiac engines with a 4.060\" or larger bore. They feature optimized oil return passages for increased oil flow. The spark plug has been relocated closer to the exhaust valve for improved performance. This head is cast with extra thick port walls and a compact port size, making them ideal for CNC and hand porting. Complete cylinder head includes guide plates, rocker studs and high quality valvetrain for direct bolt-on application.\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 \u0026amp; seats installed, but will require final sizing \u0026amp; a valve job to match the valves you will be using.\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber: 87cc\u003c\/li\u003e\n\u003cli\u003e350 C.I.D. engines may require notching the block for valve clearance \u003c\/li\u003e\n\u003cli\u003eThree head bolt bosses are raised higher than the standard D-port heights and will require head bolt kit #8561 to install these heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 400-500 HP\u003cbr\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 204 cc\u003cbr\u003e\n\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\u003cli\u003e\n\u003cstrong\u003eDeck Thickness:\u003c\/strong\u003e 5\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eYou can view and download the complete assembly instruction booklet \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca href=\"https:\/\/southwestspeed.com\/cdn\/shop\/files\/EDL_61569Instructions.pdf\" style=\"color: rgb(255, 42, 0);\"\u003ehere\u003c\/a\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"EDL 61569","offers":[{"title":"Default Title","offer_id":50395486683417,"sku":"EDL 61569","price":1106.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/0477\/6985\/files\/EDL_61569.jpg?v=1750349176","url":"https:\/\/southwestspeed.com\/products\/edl-61569","provider":"Southwest Speed","version":"1.0","type":"link"}