Schoenfeld Conventional Crossover Headers - 1-1/2 to 1-5/8" Primary - 3" Collector - Small Block Chevy 120005 The Heat Extractors are molded

The Heat Extractors are molded raw black and help to release heat away from the engine

Seal Material: GF-600S Viton - Peroxide-Curable Polymer Designed to Provide Outstanding Performance

Improved Aerodynamics

It eliminates the need for a mountinghole in the head when using early heads on a later application

Schoenfeld Conventional Crossover Headers - 1-1/2 to 1-5/8" Primary - 3" Collector - Small Block Chevy 120005 The Heat Extractors are moldedProduct Description: Headers Conventional Crossover 1. 5 to 1. 625 in Primary 3 in Collector Steel Black Paint Small Block Chevy Pair Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers,