Chevy BBC 454 Billet Aluminum Short Water Pump Swp 1 Groove Crank Pulley 2 SFI Approved and will

2 SFI Approved and will withstand the extreme power and rpm of your performance application

For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you

block for added strength

wall DOM steel

We control the entire machining process and use only premium materials

Chevy BBC 454 Billet Aluminum Short Water Pump Swp 1 Groove Crank Pulley 2 SFI Approved and willSpeedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat treated to T 6 specs. These Speedmaster aluminum crankshaft pulleys help to increase horsepower by reducing accessory drag.