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Doug's Headers 1 7/8" 4-Tube Full Length Round Port Headers Pontiac GTO 326-455 64-72 Black
Pontiac 1964-1972 326-455 GTO, Lemans Round Port Headers 1 7/8" Pipe, 3 1/2" Collector (Black) *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*
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 Heavy 16 gauge tubing...longer life Tubes are pre-polished to remove scratches and the header is left unfinished (raw steel) for individual customizing
Doug's STANDARD(-R) Headers come to you with a RAW Finish (No Coating) ready for your paint or your heat barrier coating.
- Doug's Headers
- Item Requires Shipping
- 45.0 lbs.
- W26.0000” x H12.0000” x L43.0000”
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