DynoMax Header-Back Exhaust Pipe Kit - 2-1/4 in Pipe Diameter - GM Fullsize Truck 1973-87 89003 H762003XL Cuffs are adjustable from 10"

Cuffs are adjustable from 10" to 15"Â

Proform and Hitachi-Style Starters

These billet aluminum water necks are designed for Pontiac engines

Also used in input shafts to register clutch RPM and on wheels to determine wheel RPM

DynoMax Header-Back Exhaust Pipe Kit - 2-1/4 in Pipe Diameter - GM Fullsize Truck 1973-87 89003 H762003XL Cuffs are adjustable from 10"DynoMax Manifold Dual Kit 89003 2. 25 in. Tube Size Includes Reducers Exhaust Pipes 16 Ga. Tail Pipe w Side Exits Hardware Does Not Includes Mufflers Mandrel Bends For Better Flow 100% Aluminized For Sharp Appearance and Long Life Longer Lasting and Sharper Appearance Give your vintage vehicle's exhaust system an upgrade with a DynoMax dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of