Fits 1970-1979 AMC 304, 360, 390, 401. Dogleg Ports, 1.25 Inch x 1.75 Inch 1997 pontiac firebird Vibrant Performance offers a variety

Vibrant Performance offers a variety of turbo outlet flanges for your custom fabrication projects

pressure blasters and wheelabrators

Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block

tachometer features a dual layer design

Fits 1970-1979 AMC 304, 360, 390, 401. Dogleg Ports, 1.25 Inch x 1.75 Inch 1997 pontiac firebird Vibrant Performance offers a varietyManufactured from high temperature steel core graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp load. Can be