Hedman Hedders HD SILVER 1-5/8IN. LONG-TUBE HEADER; 67-91 GM TRUCK, MOTORHOME; 283-400 NO A.I.R
HEDMAN HEDDERSHedman Hedders HD SILVER 1-5/8IN. LONG-TUBE HEADER; 67-91 GM TRUCK, MOTORHOME; 283-400 NO A.I.R
The Hedman Hedders HD SILVER 1-5/8IN. LONG-TUBE HEADER; 67-91 GM TRUCK, MOTORHOME; 283-400 NO A.I.R is a heavy-duty exhaust solution designed to optimize exhaust flow and increase performance for Small Block Chevy-powered GM trucks, SUVs, and motorhomes. Featuring a long-tube design, these headers enhance torque and horsepower across the RPM range while providing superior durability for demanding applications.
Key Features
- Heavy-duty 1-5/8 inch diameter primary tubes for improved exhaust scavenging
- Durable silver ceramic-metallic coating for heat insulation and corrosion resistance
- 3-inch ball-and-socket collector design for a leak-free seal without gaskets
- Mild-steel construction engineered for long-lasting performance in centered-engine chassis
Fitment
- 1967-1991 Chevy/GMC 1/2-1 Ton 2WD and 1967-1987 1/2-3/4 Ton 4WD Trucks
- 1967-1991 Chevy/GMC 1/2-3/4 Ton Suburban and SUV models
- 1967-1991 Motorhomes with Small Block Chevy (283-400) engines
- Fits vehicles without A.I.R. (Air Injection Reactor) systems and centered engines only
Note: Please verify your engine's chassis alignment (centered engine only) and smog equipment requirements before ordering to ensure proper compatibility.