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Ford 289 302 351W 408 427 5.0 Mustang Aluminum Heads GT40 EFI OR carburetor For Sale

Ford 289 302 351W 408 427 5.0 Mustang Aluminum Heads GT40 EFI OR carburetor


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Shipping: Auto Transport Quote Price: $899.99

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This auction is for a pair(2 heads) of brand new assembled aluminum small block Ford cylinder heads. These heads feature closed style 64cc combustion chambers and 190cc intake runners. In addition to the nearly 40lb weight savings these heads offer over factory cast iron heads, they will yield about a 55hp gain over stock E7TE castings. In unported form these heads will support 500+ horsepower on pump gas. If you are looking for a race grade head that is comparable to Edelbrock, Dart, Trick Flow and AFR at a fraction of the price look no farther then these.These heads are machined and assembled by us, they work great on Carburetor and fuel injection applications!! The features of these are as follows: Heads are pressure cast from premium quality 2024 aluminum alloy. Unlike many inexpensive aftermarket heads that are sand cast these are cast in steel permanent type molds. This offers a stronger more durable cylinder head with consistent thickness throughout. These castings incorporate .400 thick deck surfaces for maximum head gasket longevity. If you are running nitrous or a supercharger and have had problems with blown head gaskets and stock heads the thicker surfaces will virtually eliminate this problem. After machining the heads have magneese bronze valve guides installed along with stellite valve seats. This is the best available combination for street use with unleaded gas. If you are racing the stellite valve seats offer much longer seat life then most competitors ductile iron valve seats Both the intake and the exhaust incorporate three angle valve seats to maximize both low and medium lift flow. The heads come fully assembled with 2.02 1 piece stainless steel intake valves and 1.60 exhaust valves. These valves Qual cast severe duty 1 piece stainless steel polished valves and undercut stems. These heads require NO extra knotching or relieving for piston clearencing with stock or aftermarket pistons. Valve springs installed on these heads have 120lbs closed pressure and will accommodate .530 lift. These will work fine with just about any hydraulic or solid flat tappet camshafts and roller camshafts. If you are using a Ford motorsport E, B or F camshaft these springs will work fine as well. Finishing off the heads are chromoly valve spring retainers and viton positive style valve stem seals. We also have in our Ebay store inventory correct roller rockers studs and guide plates or just guide plates alone also, Please look in Ebay store inventory for many great deals on some great parts and most of our Ebay store inventory, so please look!! We also sell the correct needed parts for these heads for out of box and run applications with ebay auction numbers 372038104085 correct 302 7/16" cyclinder heads stud kits with washers and 12 point nuts232439450933 correct 351W 1/2" cyclinder heads stud kits adn washers and 12 point nuts372038104095 correct 3/8 flat guide plates142469376695 correct 5/16 raised guide plates232439037896 correct 1.5 stainless steel full roller rockers arms with a set of 16 poly locks232439453324 correct 7/16 in head x 3/8 for roller rocker arm screw in studs372038104087 correct 1.6 stainless steel full roller rocker arms with a set of 16 poly locks (35hp gain) These heads will accept all factory bracketery and accessories designed for 289-351W and mustangs GT40 and more!!engines. Standard headers and intakes will fit fine, no smog ports on rear of heads. These heads have 1/2 inch head bolts so they can be used on 302 and 351 windor engines and more. heads are drilled and tapped for 7/16 screw in studs, we recommend screw in studs, guide plates and roller rockers which we have all listed, Autolite 3924 plugs work.Over the past 2 years we have sold over 6000 sets of these heads. During this time we have had a great deal of feedback from our customers, these heads have proven to be street tough and race durable.Thanks for looking. Please feel free to ask any and all questions directly thru ebay messaging system, I will answer all questions, I want you happy!!. I cant include personal contact information its against ebay policy, After purchase on ebay we can exchange contact information as needed.

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