Hedman Hedders LONG-TUBE E.O. HEADERS For 71-91 GM 283-400 CLASS C VANS With A.I.R.

Hedman Hedders LONG-TUBE E.O. HEADERS For 71-91 GM 283-400 CLASS C VANS With A.I.R.

The Hedman Hedders LONG-TUBE E.O. HEADERS For 71-91 GM 283-400 CLASS C VANS With A.I.R. are standard-duty, uncoated long-tube headers designed specifically for 1971-1991 Chevy and GMC Class C conversion vans and motorhomes. These 50-state legal headers improve exhaust flow and engine efficiency for vehicles equipped with A.I.R. systems and a centered engine chassis.

Key Features

• Long-tube design for improved torque and horsepower
• 50-state emissions legal (E.O. Certified)
• 1-5/8 inch diameter primary tubes
• 3 inch ball-and-socket style collector for a leak-free seal
• Standard-duty mild steel construction

Fitment

• 1971-1991 Chevy/GMC Class C Conversion Vans and Motorhomes
• Small Block Chevy 283-400 engines
• Fits models with A.I.R. (Air Injection Reactor) system
• For use with centered engine chassis only

Note: These headers are supplied uncoated; it is recommended to verify engine chassis alignment to ensure proper clearance before installation.