Seller notes

You are bidding on a new set of Black Exhaust Headers for 1966-91 Chevy and GMC Trucks with small block Chevy 283-305-307-327-350-383-400 engines. Part # 15C (27#).Not only will these headers improve the look of your engine, but can improve horsepower by up to 27% and would be a nice addition to any small block Chevy / GMC pickup project.Features:3/8" flanges1-1/2" tubes3" collectors2-1/2" reducersImproved airflowIncrease horsepowerGaskets and hardware included Applications include:1966-1987 Che...

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