Chevy LS1 LS6 1.570" STD 8mm Stainless Steel Exhaust Valves superior RFI suppression

superior RFI suppression

this turnkey engine delivers modern usability with vintage legend

and corrosion-treated

Use our Speedmaster billet aluminum alternator brackets to keep your alternator firmly in place and your belts in line

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

Chevy LS1 LS6 1.570" STD 8mm Stainless Steel Exhaust Valves superior RFI suppressionWhen 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.