Schoenfeld Street Stock Headers - 1-7/8" Primary - 3-1/2" Collector - Spread Port - Steel - Black Paint - SB Chevy - GM A / F / G-Body NPT to Hose Barb Fittings number 2146 is a stock

number 2146 is a stock replacement/street legal part for 400

Increased burn time makes more horsepower and torque at high RPMs

∩é º (E85

Uni-Syn is a precision instrument which provides a visual method of balancing multiple carburetor setups with a high degree of accuracy

Schoenfeld Street Stock Headers - 1-7/8" Primary - 3-1/2" Collector - Spread Port - Steel - Black Paint - SB Chevy - GM A / F / G-Body NPT to Hose Barb Fittings number 2146 is a stockProduct Description: Headers Street Stock 1. 875 in Primary 3. 5 in Collector Spread Port Steel Black Paint Small Block Chevy GM A F G Body 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,