Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!
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Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade Your Factory Intake and Exhaust Valves
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Inconel-Nimonic / Sodium Filled, Std 28mm, set of 12.
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Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12.
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Single Groove sodium filled exhaust valve set for high performance builds
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Stainless Steel 21-4N, Oversize 31.9mm (+0.5mm)
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Stainless Steel 21-4N, Standard Size 31.40mm - Set of 12
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affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-05-2026
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-05-2026