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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Take advantage of that option and start your header build project with a better set of pipes and also be able to fit and remove them with ease.

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Note: Due to the many variations of port position and plug angle, some minor relieving may be needed for spark plug socket clearance

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