Doug's Headers Black Hi-Temp Coated Headers 1973-1991 Chevy/GMC Truck/SUV 2WD/4WD 265-400
776-D300Y-B
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1973-1991 Chevy 265-400
- 1973-1987 Chevy/GMC 1/2-Ton, 3/4-Ton, 1-Ton 1500, 2500, 3500 Trucks
- 1973-1987 2WD Blazer, Jimmy, Suburban, Tahoe, Yukon
- 1973-1991 4WD Blazer, Jimmy, Suburban, Tahoe, Yukon
- 1973-1987 Chevy/GMC 1-Ton 3500, 2WD, Crew, Standard Cab Dually
- 1973-1991 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 vehicleengines (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 |
Specifications:
Will these fit a 72 Chevy k20 with 350 zz4??
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.