Hedman Hedders Long-Tube E.O. Headers For 1963-82 Corvette 283-400 w/A.I.R.

Hedman Hedders Long-Tube E.O. Headers For 1963-82 Corvette 283-400 w/A.I.R.

The Hedman Hedders Long-Tube E.O. Headers For 1963-82 Corvette 283-400 w/A.I.R. are high-performance exhaust manifolds designed to improve engine breathing and increase horsepower and torque for classic Small Block Chevy-powered Corvettes while remaining emissions compliant.

Key Features

• Long Tube Design for Maximum Exhaust Scavenging
• Mandrel-Bent 1-5/8 in. Primary Tubes
• Gasketless Ball-and-Socket Collector Design
• Compatible with Factory A.I.R. Smog Systems

Fitment

• 1963-1982 Chevrolet Corvette
• SB Chevy 283-400 Engines

Specifications

• Tube Diameter: 1-5/8 in.
• Collector Diameter: 3 in.
• Finish: Uncoated (Temporary Paint)
• Material: Mild Steel

Note: Temporary paint is designed to prevent rust during shipping; it is recommended to apply a high-heat coating or paint before final installation.