Hedman Hedders UNCOATED 1-3/4IN. LONG-TUBE HEADERS; 67-91 GM TRUCK, MOTORHOME; 283-400 NO A.I.R
HEDMAN HEDDERSHedman Hedders UNCOATED 1-3/4IN. LONG-TUBE HEADERS; 67-91 GM TRUCK, MOTORHOME; 283-400 NO A.I.R
The Hedman Hedders UNCOATED 1-3/4IN. LONG-TUBE HEADERS; 67-91 GM TRUCK, MOTORHOME; 283-400 NO A.I.R is a heavy-duty exhaust upgrade designed to maximize flow and performance for classic GM 2WD/4WD trucks, SUVs, and motorhomes. These standard-duty long-tube headers feature 1-3/4 inch tubes and a 3 inch ball collector to ensure superior exhaust scavenging and a leak-free seal.
Key Features
- 1-3/4 inch diameter primary tubes for improved exhaust flow
- 3 inch ball-style collector for a secure, gasketless seal
- Durable uncoated mild-steel construction
- Long-tube design for increased horsepower and torque
Fitment
- 1967-1991 Chevy/GMC 1/2-1 Ton 2WD Trucks & 1967-1987 1/2-3/4 Ton 4WD Trucks
- 1967-1991 Chevy/GMC 1/2-3/4 Ton SUVs and Motorhomes
- Compatible with 283-400 SB Chevy engines (Centered Engine Only)
- Designed for vehicles without A.I.R. emission systems
Note: Verify engine centering and chassis clearance before installation; uncoated headers require painting or coating to prevent corrosion.