Sign Up to Get
10% Off Your Next Order!
+ 500 FREQUENT BUYER POINTS
Be among the first to receive Weekly Specials & OPGI News.
10% off restoration parts only. 500 Frequent Buyer Points added after promotional order ships. See welcome email for full details.
Sign up for texts from OPGI, and get all our best offers and more!
By subscribing to OPGI text messaging at 80205, you agree to receive recurring autodialed marketing text msgs (e.g. cart reminders) to the mobile number used at opt-in. Consent is not a condition of purchase. Msg frequency may vary. Msg & data rates may apply. Reply HELP for help and STOP to cancel. See Terms and Conditions & Privacy Policy.
ADDED TO YOUR CART!
Headers, Dougs, 1964-77 Chevrolet SB 1-5/8", Full-Length
ADDED TO YOUR WISHLIST!
What is the main thing you're looking for when shopping for a new set of headers? Performance of course! With Doug's, you've got it. You'll also get the ease-of-installation and a great selection of applications for all years. Doug's headers feature heavy wall construction with 3/8"-thick mounting flanges, ensuring durability and longevity under the most demanding circumstances. All of the necessary mounting hardware is included with each set: bolts, gaskets and reducers.
DHD3338 – 1-3/4" tubes, 3" coll. - SAP DH0369C – 1-3/4" tubes, 3" coll. - SAP CH22484 – 1-5/8" tubes, 3" coll. - oval port CH22486 – 1-5/8" tubes, 3" coll. - oval port DHD305C – 1-5/8" tubes, 3" coll. - oval port DHD322C - 2" tubes, 3-1/2" coll. - SAP CH22488 – 1-3/4" tubes, 3" coll. - SAP DHOD316 – 1-7/8" tubes, 3-1/2" coll. - SAP DHOD331 – 2-1/8" tubes, 3-1/2" coll. - round port CH25268 – 1-3/4" tubes, 3" coll. - SAP DHD325C - 2" tubes, 3-1/2" coll. - SAP APPLICATION NOTES: 5- Shorty design for maximum ground clearance 36- Fits D-Port heads including ZZ4 crate engines 52- Will not fit Saginaw close ratio with 825 power steering box 69- Must-use stock big-block frame stands and motor mounts 92- Will fit most angle plug heads including factory Chevrolet "Bowtie" heads 93- Requires removal or modification of locking steering columns if equipped 96- Installation requires use of 79-later AC compressor bracket and short compressor 133- Does not fit with Powerglide transmission 160- Includes O2 sensor extension(s) harness 180- Requires use of LS1 adapter plate kit 209- One tube each side over frame 214- Must use non-shell type motor mounts
Expires: 12/31/2024
• $100 on select Headers Valid on purchases October 1st - December 31st, 2024 * Rebate Form must be submited by January 30th, 2025
Find parts that fit your vehicle