Hedman Street Headers 1-5/8" Primary 3" Collector Steel - Natural 29022R They are made from 3/8

They are made from 3/8

AFR's performance cylinder heads have been certified emission legal

1990-1990 Chevrolet C70 Kodiak

Coil-Over Sleeve

Hedman Street Headers 1-5/8" Primary 3" Collector Steel - Natural 29022R They are made from 3/8Hedman Hedders 67 87 C10 C20 Trucks And SUVs With Sb Chevy; Standard Uncoated Headers; 1 5 8" Tube Diameter; 3" Collector; Mid Length Design Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Chevy truck headers for nearly as long. Whether your cherished truck is powered by a Chevy small block, big block, or LS engine, Hedman Hedders manufactures as model for you in its Whittier, California