heads super cobra jet cylinder heads m-6049-scj bare head m-6049-scja assembled head ... for 429-460 engines m-6049-scjb assembled head for 514 engines · ... combustion chambers to accommodate the more centrally located valves · uses same ... retainers and standard 7/16 stud mounted roller rockers as ford racing 429 cobra ... heads requires new pushrod guide plates m-6566-scj and new pushrods m-6565-p460 or r460 · ... standard cobra jet intake and exhaust manifolds bolt on · current valve covers fit · 2. ... exhaust runner · 25-50 hp increase over ford racing aluminum cobra jet heads ... and camshaft · the best street/strip ford big block cylinder head on the market ... today · uses motorcraft agsp series spark plugs note if ...
intake manifolds 351 ford racing single plane d3 nascar restrictor ... intake m-9424-d451 · for use with 9.200 deck height block ... and m-6049-d3 heads and restrictor plate · 6.40 ... restrictor plate rule · with extra material for runner modification 351 ford racing ... single plane intake manifold m-9424-d452 · the latest intake manifold for nascar ... · fits 9.200 deck height blocks with m-6049-d3/d35 heads · weighs 19 lbs with generous ... 8500 rpm compared to other aftermarket manifolds · does not have a valley tray for ... weight reductions · replaces m-9424-w351 351 ford racing single plane intake ... manifold m-9424-d453 · the latest intake manifold for nascar ... · fits 9.200 deck height blocks with m-6049-d3/d35 heads · weighs 19 lbs with generous ...