Hedman Hedders LONG-TUBE E.O. HEADERS For 71-91 GM 283-400 CLASS C VANS Without A.I.R.

Hedman Hedders LONG-TUBE E.O. HEADERS For 71-91 GM 283-400 CLASS C VANS Without A.I.R.

The Hedman Hedders LONG-TUBE E.O. HEADERS For 71-91 GM 283-400 CLASS C VANS Without A.I.R. is a set of standard-duty, long-tube headers designed to improve the performance and efficiency of 1971-1991 Chevy and GMC Class C conversion vans and motorhomes. These 50-state legal headers are engineered for vehicles with small block Chevy engines that do not utilize an Air Injection Reactor (A.I.R.) system.

Key Features

• Standard-Duty mild steel construction
• Uncoated finish for a traditional look
• 1-5/8 inch primary tubes for optimized flow
• 3 inch Ball-and-Socket style collector for a leak-free seal
• 50-state emissions legal (E.O. #D167-33)

Fitment

• 1971-1991 Chevrolet/GMC Class C Conversion Vans and Motorhomes
• Small Block Chevy 283-400 engines without A.I.R.
• Designed for centered engine chassis only

Note: Emissions legal for use on the specified vehicles; please verify your engine’s A.I.R. system requirements and chassis configuration prior to ordering.