Doug's Headers D300Y-R - Doug's Headers for GM Truck/SUV Details
Fits:- 1973-87 Chevy/GMC 1/2-Ton, 3/4-Ton, 1-Ton 1500, 2500, 3500 Trucks
- 1973-87 2WD Blazer, Jimmy, Suburban, Tahoe, Yukon
- 1973-91 4WD Blazer, Jimmy, Suburban, Tahoe, Yukon
- 1973-87 Chevy/GMC 1-Ton 3500, 2WD, Crew, Standard Cab Dually
- 1973-91 Chevy/GMC 1-Ton 3500, 4WD, Crew, Standard Cab Dually
Notes:
- Fits D-Port cylinder heads including ZZ4 crate engines.
- Will fit most angle plug heads including factory Chevrolet ''Bow-Tie'' heads.
- Non catalytic converter equipped.
- Does not fit 4 wheel drive 4 speed applications with bell housing mounts.
- Will fit 4 wheel drive floor shift manual transmissions.
Emission Code:
- The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle
engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.
| Automatic | Manual |
| A/C | P/B | P/S | Column | Floor | Column | Floor |
| Y |
Y |
Y |
Y |
Y |
N |
N |