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muscle car
The TorqueWorm is a torque bias
Speedmaster brake boosters are the perfect addition to your street rod or custom application
Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow
non-stick PTFE inner core
Ford 429 Boss 1.900" 11/32" Stainless Steel Exhaust Valves muscle carWhen 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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