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The Speedmaster Serpentine Pulley Kit is engineered to offer a balance of performance and value for high-performance street cars and race car applications
Aggressive
Designed to bolt on to our aluminum center sections and used with our various housing end applications
They are designed to work with factory
For extreme high performance applications
Chevy BBC 454 2.300" +100 11/32" Stainless Steel Intake Valves The Speedmaster Serpentine Pulley KitWhen 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.
