Hedman Hedders LONG-TUBE E.O. HEADERS For 67-91 GM 396-454 TRUCKS With A.I.R.

Hedman Hedders LONG-TUBE E.O. HEADERS For 67-91 GM 396-454 TRUCKS With A.I.R.

The Hedman Hedders LONG-TUBE E.O. HEADERS For 67-91 GM 396-454 TRUCKS With A.I.R. provides a significant exhaust flow improvement for Big Block Chevy-powered trucks and motorhomes while maintaining 50-state emissions legality. Engineered for standard-duty use, these uncoated long-tube headers feature 1-3/4 in. primary tubes to optimize performance for heavy-duty applications.

Key Features

• 50-State Emissions Legal (E.O. Approved)
• 1-3/4 in. Primary Tubes with 3 in. Collectors
• Gasketless Ball and Socket Collector Design
• Compatible with A.I.R. (Air Injection Reactor) Systems

Fitment

• 1967-1991 GMC/Chevrolet Trucks with 396-454 BB Chevy
• 1968-1995 GMC/Chevrolet Class A Motorhomes (Centered Engine Chassis)

Note: Designed specifically for centered engine chassis configurations; verify A.I.R. system requirements before installation.