Underdrive Pulleys

Steeda under drive pulley kits for 1999-2004 4.6L Mustang GT's, Mach 1, or Cobras free up an average of 10 rear wheel horsepower by reducing parasitic drag of engine accessories. Unlike other mods that increase the stress on your engine's internals, our kits put less strain on your motor's crankshaft and other rotating parts. 


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