Chevrolet 396 427 454 496 502 540 BBC Aluminum Heads 320cc Rectangle port roller
These are rectangle port cylinder heads with open style 119cc combustion chambers and 320cc intake runners. In addition to the nearly 80lb weight savings these heads offer over factory cast iron heads, they will yield about a 40hp gain over stock GM 990 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, Pro Comp P3021 same specs and flow numbers and AFR at a fraction of the price look no farther then these. These heads are machined and assembled by us. These heads work great on Carburetor and fuel…
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