100% Brand New, Never Be Used. Block Hugger style headers are meant to be used where space for long tube headers isn't available due to steering and cross member clearance issues. Tubing has been optimized for the 5.0L(305ci), 5.3L(327ci), 5.7L(350ci), and 6.6L(400ci) engines. Inlet/ Outlet: 1.5"/ 2.5".
Reducer and Metal Gasket Included. TIG Welded CNC Machine Flange. Professional Installation is Highly Recommended.
Installation Instruction is not Included. 1 Set Header Exhaust System.
Gaskets and Bolts as shown in Picture. Fits All Small Block Chevy V8 Engines from'55+ using the Standard Exhaust Pattern - 283, 305, 327, 350, 400 etc. Except 1971 Chevrolet Nova, 1972 Chevrolet Caprice, 1983 Chevrolet Caprice Classic Sedan 4-Door 5.0L, 1984 Buick Regal, 1986 Chevrolet Caprice 5.7,1987 Chevrolet Caprice, 1978 Chevrolet corvette, 1973 Chevrolet Nova Base 5.7L 350. For Year and Model, Please Check Compatibility.