Hedman Hedders LONG-TUBE HEADERS For 1971-91 GM CLASS C VANS With 283-400
HEDMAN HEDDERSHedman Hedders LONG-TUBE HEADERS For 1971-91 GM CLASS C VANS With 283-400
The Hedman Hedders LONG-TUBE HEADERS For 1971-91 GM CLASS C VANS With 283-400 are standard-duty, uncoated long-tube headers engineered to improve exhaust flow and engine performance for classic Chevy and GMC motorhomes and conversion vans built on a centered engine chassis.
Key Features
- 1-5/8 in. Diameter Long Tubes
- 3 in. Ball and Socket Style Collector
- Standard-Duty Mild Steel Construction
- Uncoated Raw Finish
Fitment
- 1971-1991 Chevrolet/GMC Class C Conversion Vans and Motorhomes
- Equipped with 283-400 Small Block Chevy Engine
- Models without A.I.R. (Air Injection Reactor) System
Note: Designed for centered engine chassis only; always verify chassis clearance and exhaust system compatibility before installation.