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Photo of Headers, Dougs, 1965-72 Oldsmobile 400/455 1-3/4", Full-Length

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Doug's Headers

Headers, Dougs, 1965-72 Oldsmobile 400/455 1-3/4", Full-Length

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Part# : C240561

Mfg#: D741

Sold As: Pair

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^$776.⁹⁹

List Price: $855.95

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Available in ceramic finish only

Doug's headers feature heavy wall construction with 3/8"-thick mounting flanges, ensuring durability and longevity under the most demanding circumstances. All the necessary mounting hardware is included with each set: bolts, gaskets and reducers.

C240561 – 400-455 with AC, PB, PS, AT-All, MT-floor shift only 1-3/4" tubes, 3" coll., SAP C240562 – 400-455 with AC, PB, PS, AT-only 1-7/8" tubes, 3-1/2" coll., SAP

Notes

These do not fit Cutlass Supreme.
This item is not eligible for any further discounts or promotional pricing.
SHIP NOTE: Item exceeds standard ground freight size/weight, and is not eligible for free ground shipping.
SHIP NOTE: This item is SPECIAL ORDER and will drop-ship from the manufacturer. While the majority of drop ship orders experience no delays, please be advised that OPGI does not control delivery times.

This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More

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2025 Cutlass, F-85 & 442 61-77 233

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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
1965–1972 Oldsmobile Cutlass

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