Chevy BBC 454 Billet Aluminum Short Water Pump Swp 3 Groove Crank Pulley The Speedmaster design incorporates open-fin

The Speedmaster design incorporates open-fin spacing that promotes airflow through the radiator to enhance the cooling and help eliminate clogging

These can be used on std or aftermarket plenum manifolds

this transmission is built with premium materials and cutting-edge engineering to dominate on the track or off-road

don't forget to get the correct transmission yoke for your application

stable air flow at any rpm

Chevy BBC 454 Billet Aluminum Short Water Pump Swp 3 Groove Crank Pulley The Speedmaster design incorporates open-finSpeedmaster 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.