OPGI.com works best with JavaScript enabled.

As seen on

  • Car Fix TV Logo
  • Ride of Your Life Logo

Doug's Headers

Headers, Dougs, 1968-72 Buick 350, 1-3/4", Full Length

Vehicle Specific View fitment
Part# : S240174
Mfg#: D200
Sold As: Pair
Ship Size: Oversize 3
$751.99
List Price: $827.95
You Save $75.96

Add To Wishlist 

Features a long-lasting ceramic finish

What is the main thing you’re looking for when shopping for a new set of headers? Performance of course! And with Doug’s, you’ve got it. You’ll also get the ease-of-installation and a great selection of applications. All of Doug’s headers feature heavy wall construction with 3/8”-thick mounting flanges, which ensure durability and longevity under the most demanding circumstances. All of the necessary mounting hardware including bolts, gaskets and reducers is included.

DHD3338 – LS1/LS6 with AC, PB, PS, AT or MT 1-3/4" tubes, 3" coll., SAP Application notes: Requires use of LS1 adapter plate kit. Includes 3" to 2-1/2" reducers with O2 fittings S240174 – 350 with AC, PB, PS, AT or MT 1-3/4" tubes, 3" coll., SAP S240175 – 400-455 with AC, PB, PS, AT (all), MT floor shift only 1-7/8" tubes, 3" coll., SAP

Notes

  • 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.
3
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

Find Item In This Catalog

  • 2025 Skylark, GS & GSX 61-72 210
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
1968–1972 Buick Skylark  
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.