{"product_id":"edelbrock-single-bbc-hi-comp-454-0-head-comp","title":"Edelbrock Single BBC Hi-Comp 454-0 Head Comp","description":"Cylinder Head Specifications: Combustion chamber volume: 100cc; Intake runner volume: 290cc; Exhaust runner volume: 110cc; Intake valve diameter: 2.19\"; Exhaust valve diameter: 1.88\"; Valve stem diameter: 11\/32\"; Valve guides: Manganese bronze; Deck thickness: 9\/16\"; Valve spring diameter: 1.55\"; Valve spring maximum lift: .700\"; Rocker stud: 7\/16\"; Guideplate: Hardened steel; Pushrod diameter: 3\/8\"; Valve angle: 26°; Exhaust port location: Stock; Spark plug fitment: 14mm x 3\/4 reach, gasket seat. * Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing \u0026amp; a valve job to match the valves you will be using. Recommended spark plugs 14mm x 3\/4\" reach with flat gasket seat (Champion RC12YC).","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":43835090665693,"sku":"EDE60499","price":1251.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/3758\/1491\/products\/32b258b9e6d31c80076169f1e5e512fb.jpg?v=1683466960","url":"https:\/\/hellhoundperformance.store\/products\/edelbrock-single-bbc-hi-comp-454-0-head-comp","provider":"Hellhound Performance","version":"1.0","type":"link"}