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Headers, 1965-76 Cutlass, 400, 425, 455, 1-5/8" Tubes, 3" Collector

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Part# C242229
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$825.99
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400, 425, 455 engines

Polished or ceramic coated to suit your needs

A direct replacement for 1965-76 factory exhaust manifolds, these headers are manufactured in 304 stainless steel and feature 1/2" thick mounting flanges to prevent warping. To aid in fitment, the second pipe on the driver's side has been flattened to allow for frame clearance which is not visible when installed. If you can fit factory exhaust manifolds, then these headers fit without any modifications and will also clear the Z-bar on factory 4 speed cars. Primary tubes are 1 5/8", the 2-bolt collector is 3" wide, and the exhaust flanges are cut to mate up to standard exhaust head pipes measuring 2 1/4" or 2 1/2". Includes gaskets.

Notes

  • 3/8"x1" bolts are required which are not included.
  • Special torque sequence is needed. Do not tighten top center bolt until the other 4 bolts are tight, 25 pounds, start at the center 2 bolts then the 2 outer bolts then the center top bolt last.
  • This item is not eligible for any further discounts or promotional pricing.

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  • 2024 Cutlass, F-85 & 442 61-77 258
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1965–1976 Oldsmobile Cutlass  
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