Chevy BBC 454 Billet Aluminum Short Water Pump Swp 1 Groove Water Pump Pulley 6 rib serpentine pulley designed

6 rib serpentine pulley designed to increase grip

Speedmaster supercharger balancer hub adaptors are designed to fit your balancer so that the belt alignment will be correct

If you are looking for a manifold to use with your 8-71 or 6-71 supercharger

Permanent molds provide a tighter grain casting thereby reducing the occurrence of porosity which can mar the polished finish

while increasing thermal conductivity

Chevy BBC 454 Billet Aluminum Short Water Pump Swp 1 Groove Water Pump Pulley 6 rib serpentine pulley designedThese Speedmaster aluminum water pump pulleys are made from a 356 aluminum alloy that is heat treated to T 6 specs, and come in machined or polished finishes to suit your application needs.