Chevy BBC 454 2.250" +100 11/32" Stainless Steel Intake Valves Choose long or short styles

Choose long or short styles in a natural or shiny polished finish

Speedmaster H-beam connecting rods are one of the strongest connecting rods available

This construction ensures superior strength

These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use

allowing it to run cooler and quieter than external units

Chevy BBC 454 2.250" +100 11/32" Stainless Steel Intake Valves Choose long or short stylesWhen 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.