Chevy BBC 454 2.250" +250 11/32" Stainless Steel Intake Valves The quality of these throttle

The quality of these throttle bodies are better than others available today

Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks

Let everyone know you take high performance seriously by flying the Speedmaster name and colors on a Speedmaster banner

The Speedmaster GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited

Supercharger idler pulley stand ensure optimal belt tension and alignment for smoother power delivery

Chevy BBC 454 2.250" +250 11/32" Stainless Steel Intake Valves The quality of these throttleWhen 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.