Hedman Hedders BLACK LONG-TUBE HEADERS For 67-91 GM 396-454 TRUCKS Without A.I.R.

Hedman Hedders BLACK LONG-TUBE HEADERS For 67-91 GM 396-454 TRUCKS Without A.I.R.

The Hedman Hedders BLACK LONG-TUBE HEADERS For 67-91 GM 396-454 TRUCKS Without A.I.R. is a standard-duty exhaust solution designed to maximize flow and performance for Big Block Chevy-powered GM trucks and Class A motorhomes. These headers are engineered for vehicles with a centered engine chassis that do not utilize an Air Injection Reactor (A.I.R.) system.

Key Features

• Standard-duty mild steel construction with a durable black-coated finish
• 1-3/4 inch primary tube diameter for enhanced exhaust scavenging
• 3 inch ball-and-socket style collector for a secure, leak-free seal
• Long-tube design optimized for Big Block Chevy performance

Fitment

• 1967-1991 Chevrolet and GMC 2WD/4WD Trucks and SUVs with Big Block Chevy engines
• 1968-1995 Chevy/GMC Class A Motorhomes (Centered Engine Chassis only)
• Compatible with 396-454 Big Block Chevy engines without A.I.R. systems

Note: Designed specifically for centered engine chassis configurations without A.I.R.; please verify your vehicle’s engine placement and emissions equipment before ordering.