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Speedmaster DNA roller rockers are the toughest and most innovative rockers we've ever made
They're 40 percent lighter
Speedmaster Aluminum Water Pump Pulley
Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks
Convert any one-piece GM TH400 case into a two-piece case with our Speedmaster TH400 case adapter
Mopar Chrysler 318 360 1.600" +050 11/32" Stainless Steel Exhaust Valves Speedmaster DNA roller rockers areWhen 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.
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