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CNC Ported 4AGE 20v Silvertop Head

US$ 975.00

CNC ported 4AGE 20v Silvertop head. Can be made to match Blacktop intake manifold. Oversized Supertech +1mm valves are optional. Valve seats machined by Newen Contour BB for better to further increase CFM as well as horsepower. 

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