1967-1974 Camaro/Firebird/Trans AM, 1965-1974 Chevy Full Size Car, 1964-1973 Chevelle, 1964-1974 El Camino/Malibu, 1964-1972 Skylark, 1970-1974 Monte Carlo, 1968-1974 Chevy II/Nova, 1971-1974 Ventura, 1964-1974 Grand Prix and Cutlass/442, 1973-1974 Regal 265-400 SBC Engines; Long Tube Header Ceramic Coated Finish, 1-5/8" Tube Size, 3.0" CollectorFeatures: Tuned-length primary tubes for better performance; Mandrel-bent tubing for smooth exhaust flow; Light weight & sturdy 16 gauge tubing; Mandrel-formed Power Plenum collector for low back pressure; Sturdy, leak-tested O-Ring port seals; Engineered for a precision fit; Designed for easy, trouble-free installation; Includes all mounting hardware and premium gaskets; Works with factory power steering and power brakes;