Hedman Hedders HD BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB CHEVY TRUCKS With A.I.R.

Hedman Hedders HD BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB CHEVY TRUCKS With A.I.R.

The Hedman Hedders HD BLACK LONG-TUBE E.O. HEADERS For 67-91 GM 4WD SB CHEVY TRUCKS With A.I.R. is a heavy-duty exhaust solution designed specifically for 4WD Chevrolet and GMC trucks, Blazers, and SUVs. These Elite series headers feature a durable Black-Maxx ceramic coating and are engineered to provide maximum exhaust flow while maintaining 50-state legal status for vehicles equipped with A.I.R. injection.

Key Features

• Heavy-Duty Elite Series construction for long-term durability
• Black-Maxx satin black ceramic-metallic finish for heat management
• Long tube design for increased torque and horsepower
• 3-inch ball and socket collector for a leak-free seal

Fitment

• 1967-1987 Chevy/GMC 1/2 to 3/4 Ton 4WD Pick-Up, Blazer, and SUV
• 1988-1991 Chevy/GMC V-Series 4WD Trucks with 283-400 SB Chevy engines
• Designed for Centered Engine Chassis only

Note: These headers are 50-state legal (E.O. Carb Legal) and are specifically designed for 4WD models with A.I.R. smog injection systems; verify engine centering before installation.