Chevy LS1 LS6 1.570" STD 8mm Stainless Steel Exhaust Valves These rockers are precision-machined to

These rockers are precision-machined to ensure consistency and ratio accuracy and have a great looking anodized finish

almost everything within the axles is completely interchangeable

The Speedmaster Turbo 400 TH400 Aluminum Competition Transmission is engineered for extreme performance applications

Upgrade your axle system and experience improved performance and durability

and have a black oxide corrosion-resistant finish

Chevy LS1 LS6 1.570" STD 8mm Stainless Steel Exhaust Valves These rockers are precision-machined toWhen 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.