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2 SFI Approved and will withstand the extreme power and rpm of your performance application
heat-treated for maximum strength
Speedmaster pinion depth shims allow you to seat your pinion gear perfectly
Couple this Hi-Ram intake with the high flowing Ford Coyote style cylinder heads has outstanding potential for naturally aspirated and forced induction applications
The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
Chevy BBC 454 1.940" STD 11/32" Stainless Steel Exhaust Valves 2 SFI Approved and willWhen 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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