Chevy BBC 454 2.250" STD 11/32" Stainless Steel Intake Valves Speedmaster high-volume water pumps have

Speedmaster high-volume water pumps have a ribbed aluminum housing and a heavy duty ball/roller bearing assembly

Available in plain or finned styles

They're 40 percent lighter

and a removable center section for cam adjustment or replacement

Chevy BBC 454 2.250" STD 11/32" Stainless Steel Intake Valves Speedmaster high-volume water pumps haveWhen it's time for valves, don't cut corners. Get genuine Speedmaster stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. What's more, they have hardened stem tips for durability and are swirl polished.