Hedman Hedders 68291 Standard Duty Full Length Headers 1-5/8" Small Block Chevy

The Hedman Hedders 68291 is a standard duty full-length exhaust header designed for 1964-1977 Chevelle, Malibu, El Camino, Monte Carlo, and other GM passenger cars equipped with small block Chevy 283-400 cubic inch engines. These headers feature a proven full-length design that provides excellent top-end horsepower and torque gains over restrictive factory exhaust manifolds.

Key Specifications:

• Primary tube diameter: 1-5/8 inch mandrel-bent tubing
• Collector size: 3 inch
• Construction: 18-gauge mild steel with 1/4 inch flanges
• Full-length design for maximum performance
• Ball and socket collector design eliminates gaskets and allows up to 20° of connection flexibility

Features and Benefits:

• Mandrel-bent primary tubes maintain consistent internal diameter for maximum exhaust flow
• Hand-tested with sturdy, leak-proof welds for reliable performance
• Includes all necessary mounting hardware, gaskets, and installation instructions
• Ships with temporary black paint for pre-installation protection (paint will burn off during normal operation)
• Made in the USA with precision computerized manufacturing
• Limited lifetime warranty on construction

These uncoated headers are compatible with angle plug heads (Chevy aluminum only) and include parts necessary to retain emission devices on 49-state vehicles. Some applications may require A/C bracket modifications. Not compatible with Saginaw close ratio power steering with 825 power steering box.