BBK Underdrive Crank Pulley - 93-97 GM F-Body w/LT-1 4122MEDBK High Dielectric Strength Thermoplastic Cap

High Dielectric Strength Thermoplastic Cap With Brass terminals

and adds a clever new adjustable tether system

1/4 in Head

1/2"NPT bung for additional temperature sender/switch and mounting clips

BBK Underdrive Crank Pulley - 93-97 GM F-Body w/LT-1 4122MEDBK High Dielectric Strength Thermoplastic CapThis 1993 1997 GM LT1 BBK Performance Under drive Crank Pulley is designed as direct bolt on replacement for the current factory pulley and will retain full cooling and charging characteristics. This BBK under drive crank pulley kit is an easy way to free up an average 8 12 horsepower in under 30 minutes. Each kit comes with complete installation instructions and allows the use of existing serpentine belts. Vehicle Applications: 1993 1997 Pontiac