{"product_id":"ford-performance-parts-super-cobra-jet-cylinder-head-assembled-with-dual-spring","title":"Ford Performance Parts Super Cobra Jet Cylinder Head - Assembled With Dual Spring","description":"\u003cp\u003e\u003cstrong\u003eSuper Cobra Jet Cylinder Head - Assembled With Dual Spring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 429 and 460 ci engines (except BOSS 429)\u003c\/li\u003e\n\u003cli\u003eValve angles and locations designed to reduce cylinder wall shrouding and improve flow\u003c\/li\u003e\n\u003cli\u003eCombustion chambers designed to accommodate the centrally located valves\u003c\/li\u003e\n\u003cli\u003eProduction 429 Cobra Jet intake and exhaust manifolds bolt on\u003c\/li\u003e\n\u003cli\u003eProduction Ford 429\/460 valve cover bolt pattern \u003c\/li\u003e\n\u003cli\u003eM-6582-C460Ford Performance Valve Covers recommended  \u003c\/li\u003e\n\u003cli\u003e2.200\" intake valve, 1.76\" exhaust valve\u003c\/li\u003e\n\u003cli\u003eFlows approximately 330 CFM intake and 225 CFM exhaust\u003c\/li\u003e\n\u003cli\u003e72cc combustion chambers\u003c\/li\u003e\n\u003cli\u003e290cc intake runner, 148cc exhaust runner\u003c\/li\u003e\n\u003cli\u003eAssembled with hydraulic roller valve springs: Closed seat pressure 135# @ 1.850\"; Open seat pressure 365# @ 1.250\"; Max lift .700\"\u003c\/li\u003e\n\u003cli\u003eMachined 7-degree locks and steel valve spring retainers, premium valve seals\u003c\/li\u003e\n\u003cli\u003eUses Motorcraft AGSP series spark plugs\u003c\/li\u003e\n\u003cli\u003eNOTE: If replacing Ford Performance or production 429 Cobra Jet heads, new intake valve notches are required\u003c\/li\u003e\n\u003cli\u003eNOTE: Uses FelproÂ® exhaust gasket part number 1420, and intake gasket part number 1231\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FR SPORT","offers":[{"title":"Default Title","offer_id":52799773507900,"sku":"8O0CI","price":2215.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5646\/6748\/files\/24e3b59440b22dae344a75eb278befa2.jpg?v=1772069548","url":"https:\/\/fortunehunterzmotorsports.com\/de\/products\/ford-performance-parts-super-cobra-jet-cylinder-head-assembled-with-dual-spring","provider":"Fortune Hunterz Motorsports ","version":"1.0","type":"link"}