Hedman Hedders HD BLACK LONG-TUBE HEADERS; 67-91 GM TRUCK, MOTORHOME; 283-400 WITH A.I.R.
HEDMAN HEDDERSHedman Hedders HD BLACK LONG-TUBE HEADERS; 67-91 GM TRUCK, MOTORHOME; 283-400 WITH A.I.R.
The Hedman Hedders HD BLACK LONG-TUBE HEADERS; 67-91 GM TRUCK, MOTORHOME; 283-400 WITH A.I.R. provides heavy-duty performance and improved exhaust flow for classic GM trucks and motorhomes. Designed for small block Chevy engines equipped with A.I.R. injection, these long-tube headers are built to withstand the rigors of towing and heavy-duty use while enhancing torque and power.
Key Features
- Heavy-Duty Construction with Black Ceramic Coating
- Long-Tube Design for Maximum Torque Gains
- Equipped with A.I.R. Injection Provisions
- 3 inch Ball-and-Socket Style Collector
- 1-5/8 inch Tube Diameter
Fitment
- 1967-1987 Chevrolet/GMC 1/2-1 Ton 2WD/4WD Trucks
- 1967-1991 Chevrolet/GMC 1/2-3/4 Ton SUVs (Blazer/Jimmy/Suburban)
- 1967-1991 GM Motorhomes (Centered Engine Only)
- Fits 283-400 Small Block Chevy Engines
Note: Specifically designed for vehicles requiring A.I.R. emissions provisions; verify engine centering and chassis clearance before installation.