{"product_id":"cylinder-head-5","title":"Performer LT1 Cylinder Head (54cc)","description":"The Edelbrock part #61917 small-block Chevy LT1 (1992-97) Performer NHRA cylinder heads deliver 24 horsepower over stock and raise the peak power level by 500 rpm. These heads are designed to accept factory style self-aligning rockers. Performer LT1 cylinder heads are 50-state street legal and accept factory center bolt valve covers. They feature exhaust ports in the stock location for use with stock or aftermarket exhaust manifolds and headers. Match with RPM Air-Gap intake #7107, throttle body #3809 and camshaft #2108 for the Total Power Package combo. - 61917 Cylinder Heads are allowed for use in the NHRA Super Stock class - Combustion chamber volume: 54cc - Intake runner volume: 170cc - Exhaust runner volume: 60cc - Intake valve diameter: 1.94\" - Exhaust valve diameter: 1.55\"\r\n\u003cb\u003eVehicle Specific\u003c\/b\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eChevrolet:Small-Block Gen II LT1:350 (5.7L)\u003c\/li\u003e\r\n\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eEdelbrock\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00085347619177\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCNC Ported: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCombustion Chamber Volume: \u003c\/b\u003e54.0\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDeck Height: \u003c\/b\u003e9.025\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDeck Thickness: \u003c\/b\u003e0.625\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGrade Type: \u003c\/b\u003ePerformance\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGuide Plates Included: \u003c\/b\u003eNo\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eHead Casting Number: \u003c\/b\u003e6190F\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIntake Runner Volume: \u003c\/b\u003e170.0\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eMaterial: \u003c\/b\u003eAluminum\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePush Rod Diameter: \u003c\/b\u003e0.312\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRGL: \u003c\/b\u003eWARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRocker Arm Stud Diameter: \u003c\/b\u003e0.375\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Angle: \u003c\/b\u003e23\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eUnited States\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003eEPA Eligible\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eEA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e22.75 x 10.44 x 7.38 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e24.85 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":44336464527405,"sku":"BDVJ-61917","price":1419.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/placeholder_12_c3465358-17bf-45e6-b153-5a6d97d88d78.png?v=1762922600","url":"https:\/\/montgomeryparts.com\/products\/cylinder-head-5","provider":"Montgomery Parts","version":"1.0","type":"link"}