Fits 1985-87 GM 5.0/5.7 F-Body/GM Truck 3 Pc Performance Under Drive Pulley-1598 fuel-vapor-pressure-sensors 5 TFSI (Gen 1)

5 TFSI (Gen 1)

OEM - 25859538

The PRO 600 has built-in protection for accidental reverse battery connection

Direct Replacement in 2015-2017 Ford Mustang with No Core or Downtime Required

7 L6 2009 - 2013 Chevrolet Silverado 1500 LS 294/4

Fits 1985-87 GM 5.0/5.7 F-Body/GM Truck 3 Pc Performance Under Drive Pulley-1598 fuel-vapor-pressure-sensors 5 TFSI (Gen 1)Install a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet