Chevy BBC 454 Straight Impeller High Volume Aluminum Short Water Pump Satin improving belt retention and reducing

improving belt retention and reducing the risk of slippage

The Speedmaster water pump pulley shim kits contain one 1mm spacer

made from 4340 round bar to exact tolerances

They feature

Chevy BBC 454 Straight Impeller High Volume Aluminum Short Water Pump Satin improving belt retention and reducingSpeedmaster high volume water pumps have a ribbed aluminum housing and a heavy duty ball roller bearing assembly. Speedmaster water pumps have a bigger impeller and larger cavity size to flow 40 percent more coolant than stock. Choose long or short styles in a natural or shiny polished finishes. Get high flow for your car with Speedmaster water pumps.