BBK Underdrive Crank Pulley - 93-97 GM F-Body w/LT-1 93507 Valves and studs are in

Valves and studs are in stock GM L98 locations just like the 180cc

1965-1974 Cadillac Calais

1971-1980 Chevrolet Corvette

and #6 Dipstick

BBK Underdrive Crank Pulley - 93-97 GM F-Body w/LT-1 93507 Valves and studs are inThis 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