Chevy BBC 454 High Volume Aluminum Short Water Pump Chrome These Speedmaster expansion tanks are

These Speedmaster expansion tanks are perfect for cars with low-mount radiators to provide a convenient filling location and to bleed off unwanted air

but with several important modifications

Step up to the high-rpm power of an open plenum with Speedmaster HiRise intake manifolds

filter element

Dual distributor holddowns

Chevy BBC 454 High Volume Aluminum Short Water Pump Chrome These Speedmaster expansion tanks areSpeedmaster 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.