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Designed for LS applications or water pumps with threaded provision for water neck
Speedmaster Aluminum cylinder heads use our "Gravity Die Cast" process
They are an economical solution to replacing failure-prone stock supports
Speedmaster K1045 steel enclosed elastic dampers are tested to 12
Pontiac 326 400 455 1.660" 11/32" Stainless Steel Exhaust Valves Designed for LS applications orWhen 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.
