Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!
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Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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Two required per valve, necessary for use with certain supertech valves
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This product was last offered at the strikethrough price on
03-04-2026
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
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quality retainers from Supertech
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quality retainers from Supertech
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quality retainers from Supertech
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
Quality retainers from Supertech
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms