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They are designed to ensure belt retention at high rpm
They are an economical solution to replacing failure-prone stock supports
When building rear-ends for race cars or trucks
You cannot over-shift and miss a gear with Speedmaster automatic shifter
Will not directly plug into GM column but can be connected by individually connecting wires from harness to their respective circuits
Pontiac 326 400 455 1.660" 11/32" Stainless Steel Exhaust Valves They are designed to ensureWhen 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.
