Proflow offers a variety of header flange sizes and shapes to mate your heads and headers. These 3/8 thick flanges are precision-cut to meet your ports, reduce warping, and prevent leaks. Proflow header flanges keep your tubes in place without the big price tag.

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Proflow Cylinder Heads & Rocker Kit, SuperMax EFI Aluminium, Complete, 590 HP, 63cc Chamber, 200cc Intake Runner, EFI Holden Commodore VN, Pair

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