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These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines
which allow you to modify your cam timing
so you are good to go
They feature less than
Ford 429 460 2.190" +100 11/32" Stainless Steel Intake Valves These Speedmaster valve springs areWhen 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$ 58.00
US$ 60.00
US$ 38.00
