Racing Power Headers - 1-5/8" Primary - 2-1/2" Collector - Steel - Ceramic - SB Chevy M59C Kit comes complete with wiring

Kit comes complete with wiring harness

Sprint Booster modes and programs are transmission type specific for better function and performance

7/16 in Thread Studs

Fits 1968-1972 GM A-Bodies with V8 engine

Racing Power Headers - 1-5/8" Primary - 2-1/2" Collector - Steel - Ceramic - SB Chevy M59C Kit comes complete with wiringProduct Description: Headers 1. 625 in Primary 2. 5 in Collector Steel Ceramic Small Block Chevy Pair Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.