Pontiac 1964-1972 326-455 GTO, Lemans Round Port Headers 1 7/8" Pipe, 3 1/2" Collector (Stainless) **Man. Trans. Cars Must Use 1964-65 Z-Bar/GM# 9776376 APE-R166K* *May have to reposition brake proportioning valve on dr. side frame rail*
$1,325.70
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Description
3/8" Thick machined flanges... no warping
CNC mandrel bent tubes... accurate fit & better flow
Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower