Chevy BBC 454 2.250" +100 11/32" Stainless Steel Intake Valves Speedmaster Cam Lock Plate helps

Speedmaster Cam Lock Plate helps prevent cam bolts from backing out

capable of withstanding valve spring load

Individually milled from super durable 6061 T6 aluminum billets

Our single plane big block manifold is now available with Dominator carburetor flange

These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines

Chevy BBC 454 2.250" +100 11/32" Stainless Steel Intake Valves Speedmaster Cam Lock Plate helpsWhen 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.