DNA Motoring HDBSBCSB Stainless Steel Exhaust Header Manifold [For Chevy SBC Small Block V8 ] Made From High Quality T304 Stainless Steel For Strength & Durability Constructed With TIG Welded CNC Machine Flange All Tubing Is Mandrel-Bent Comes With Reducer and Metal Gasket Note: Headers are Semi Universal for Small Block V8 Engine (Compatibility Chart is for Reference Only)