Hedman Hedders 68310 Long Tube Headers 1978-87 GM G-Body Small Block Chevy

These uncoated steel headers deliver significant horsepower gains and improved fuel economy at an excellent value.

Key Specifications:

• Primary tube diameter: 1.5 inches (18-gauge steel)
• Collector diameter: 3 inches
• Ball and socket collector flanges for easy installation (up to 20° of connection flexibility)
• Full-length, long-tube design with down-swept configuration
• Round port design (does not work with angle plugs)
• Uncoated steel with temporary paint finish
• 18-gauge mandrel-bent tubing for consistent internal diameter and maximum flow

• Pair of headers
• Header gaskets
• 3-bolt collector adapter/reducer
• All necessary mounting hardware

Features and Benefits:

• Lifetime warranty against defects, including cracks in tubes and welds
• Mandrel-bent construction ensures smooth flow and maximum performance
• Flame-tested at the factory to ensure leak-free operation
• Ball and socket flanges simplify installation and provide flexibility for pipe alignment
• Made in the USA with quality craftsmanship backed by over 70 years of header manufacturing experience

Important Installation Notes:

• Designed for vehicles with stock components as they came from the manufacturer
• May require smaller starter on some applications
• Modification to stock exhaust required to retain catalytic converter
• If your vehicle uses aftermarket components or custom parts, verify fitment before installation
• Not legal for sale or use in California on pollution-controlled motor vehicles

Hedman Hedders has been helping racers and enthusiasts unlock more power since 1954. These headers combine race-proven design with street-friendly features to deliver reliable performance improvements you can count on.