Chevy SBC Billet Aluminum Short Water Pump SWP Serpentine Pulley It is set up to

It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs

and they may be reduced to fit if you decide to narrow your rear-end later on

Get high-flow for your car with Speedmaster water pumps

The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases

filter element

Chevy SBC Billet Aluminum Short Water Pump SWP Serpentine Pulley It is set up toThese 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.