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!
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Upgrade Your Factory Intake and Exhaust Valves
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Inconel-Nimonic / Sodium Filled, Std 28mm, set of 12.
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Single Groove sodium filled exhaust valves for high performance builds
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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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Inconel-Nimonic / Sodium Filled, Std 28mm
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This product was last offered at the strikethrough price on
05-02-2026
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Stainless Steel 21-4N, Standard Size 31.40mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Stainless Steel 21-4N, Oversize 31.9mm (+0.5mm)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-02-2026