Product#: 89L440

1979-93 Ford Mustang; 5.0L; Billet Aluminum; Underdrive Serpentine Pulley Set; Polished

1979-93 Ford Mustang 5.0L Underdrive Pulley Set. Polished billet aluminum 6 groove serpentine alternator, crank and water pump pulley set. The pulleys are CNC-machined from the lightest, most durable materials possible:...

Product#: BBK1553

1979-93 Ford Mustang; 5.0L; Billet Aluminum Underdrive Pulley Set; 3 Pieces

This BBK underdrive pulley kit is one of the easiest ways to free up an average of 8-15 horsepower in under 30 minutes. BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain...