Stainless Steel Headers Fits Chevy Small Block SB V8 262 265 283 305 327 350 400
100% brand new, Never been tried or installedOutlet Size: 2.5"Primary Tube Size: 1 5/8"Number of O2 Sensor Locations: 0Head Flange Thickness: 7/16"Outlet Flange Thickness: 3/8"Designed to fit the Chevrolet Small Block 262, 265, 267, 283, 302, 305, 307, 327, 350 & 400 V8 Engine.include all hardware,collectors,nuts!