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to provide maximum performance
The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
The Speedmaster Supercharger Idler Pulley Nut is a high-performance component designed to ensure the optimal functioning of your supercharger system
and 3/8 in
Speedmaster camshafts are built to take advantage of the latest cam technology
Ford 429 460 2.250" STD 11/32" Stainless Steel Intake Valves to provide maximum performanceWhen 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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