{"product_id":"performer-lt1-cylinder-head-54cc","title":"Edelbrock Performer LT1 Cylinder Head (54cc)","description":"\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e 61905\u003c\/p\u003e\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003eEdelbrock part #61905 Performer small-block Chevy LT1 (1992-97) Performer complete cylinder head delivers 24 horsepower over stock and raise the peak power level by 500 rpm. This head is designed to accept factory style self-aligning rockers. This Performer LT1 cylinder head is 50-state street legal and accept factory center bolt valve covers. It features 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. Cylinder Head Specifications: - Exhaust port location: Stock - Spark plug fitment: 14mm x 3\/4 reach, gasket seat\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eMaterial: Aluminum · Weight: 31.65 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Edelbrock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 61905\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months (manufacturer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping carton:\u003c\/strong\u003e 22.19 × 10.12 × 7.19 in (56 × 26 × 18 cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 14.4 kg (31.65 lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve angle:\u003c\/strong\u003e 23 DD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat angle:\u003c\/strong\u003e Exhaust 45 deg\/Intake 45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamshaft type:\u003c\/strong\u003e Hydraulic Roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9040:\u003c\/strong\u003e D-215-70\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCnc ported:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust port location:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEgr port:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 300-450\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat material:\u003c\/strong\u003e Ductile Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction type:\u003c\/strong\u003e Complete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide material:\u003c\/strong\u003e Manganese Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRocker arm stud diameter:\u003c\/strong\u003e 0.4375 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve stem diameter:\u003c\/strong\u003e 0.3125 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetainer included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve springs included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve spring retainers included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve seals included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve locks included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve lock material:\u003c\/strong\u003e Chromoly Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve cover gasket included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRocker arms included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRocker arm studs\/bolts included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting hardware included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake runner volume:\u003c\/strong\u003e 170 CCM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead casting number:\u003c\/strong\u003e 31-6190\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide plates included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck height:\u003c\/strong\u003e 9.025 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder head gasket included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 54 CCM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembled:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct family:\u003c\/strong\u003e Performer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct series:\u003c\/strong\u003e Performer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 60 CCM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 1.94 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush rod diameter:\u003c\/strong\u003e (Suggested) 0.375\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.55 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 0.625 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e 0.600 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.46 in\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":48852232437952,"sku":"EDL61905","price":1780.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/061905_v6.jpg?v=1787235023","url":"https:\/\/mapletorque.ca\/products\/performer-lt1-cylinder-head-54cc","provider":"MapleTorque","version":"1.0","type":"link"}