Compatible with 67-74 Camaro, 68-74 Nova, 70-74 Monte Carlo, 64-74 Chevelle/El Camino/Sprint/Cabellero, 71-74 Full Size: 283-400 SB Chevy Tube Size 1.625 in. O.D., Collector Size 3 in. O.D., Port Shape: Same As Port; Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a stock or mildly-modified engine, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16 in. machined flanges, with welded O-ring seals.
Well made headers, tiny blemish in ceramic coating
They were advertised to be blemished and priced for about 1/2 price. The blemish was hard to find and when mounted will never be seen. So i am well satisfied. Thanks