1979-1993 Ford 5.0L Steel Serpentine 20% Underdrive Pulley Set Black These drives fit under your

These drives fit under your stock timing cover and come complete with instructions

Speedmaster braided hoses feature a heavy-duty

Made from totally new components

These zinc plated cooling pans from Speedmaster give you up to 15 percent cooler transmission temperatures

6" diameter ring gear

1979-1993 Ford 5.0L Steel Serpentine 20% Underdrive Pulley Set Black These drives fit under yourSpeedmaster underdrive pulley kits are built from aircraft quality material andcomputer machined. By reducing the speed of the accessories, these underdrive pulleys free up an average of 8 15 horsepower , while retaining full cooling and charging characteristics. Most kits can be bolted on in less than 30 minutes.