Full Size Chevy Exhaust Headers, Small Block, Hedman (71-72 Biscayne; 71-72 Kingswood; 71-76 Impala)Find parts that fit my vehicle

Performance Exhaust Headers. The Full Size Chevy Exhaust Headers, Small Block, Hedman, improve engine breathing by providing a smooth path for exhaust gases to exit. Designed for maximum horsepower and torque, these headers optimize exhaust flow for 283-400 Cubic Inch Small Block Chevy engines. Ideal for enthusiasts seeking enhanced performance in classic full-size Chevy models.

Construction and Appearance. Crafted from mild steel with 16-gauge tube thickness, these headers feature CNC mandrel bent tubes for consistent, smooth airflow. The ball and socket collector design eliminates the need for a collector gasket, enhancing ease of fitment despite minor alignment issues. The headers come with a temporary black paint coating that burns off during engine operation. Durable silver or black ceramic-metallic finishes are available separately.

Installation. Installation is straightforward for those with mechanical experience. These headers fit common air conditioning and power steering configurations and support automatic transmissions with floor or column shift. No drilling is required, and all necessary bolts and gaskets are included for a complete installation.

Warranty. Backed by a limited lifetime warranty, reflecting confidence in the product’s quality and durability.

Application. Specifically fits 71-72 Biscayne, 71-72 Kingswood, and 71-76 Impala models. These headers are not legal for street use on 1975 and later model years and are intended for off-road use only.

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