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They're made of thick steel for reduced flex and are chrome plated for that show-car look
Although the GM heads are good pieces
are molded from a high-quality
Fits big block Chevy rectangular port cylinder heads on standard deck blocks
Get high-flow for your car with Speedmaster water pumps
Chevy LS3 1.600" STD 8mm Stainless Steel Exhaust Valves They're made of thick steelWhen 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.
US$ 137.50
US$ 73.97
US$ 216.88
US$ 26.09
