This kit offers increased clamping force and enhanced head gasket sealing, helping to prevent head gasket failure
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This kit offers increased clamping force and enhanced head gasket sealing, helping to prevent head gasket failure
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade to ARP high tensile strength Custom Age 625+ Head Studs
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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
06-04-2026
Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!
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Ditch the Stock Head Bolts for a Set of Head Studs from ARP!
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Make sure you are getting the proper hardware for the job
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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
03-04-2026
Stud conversion set up with 12 point fastening nuts
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This product was last offered at the strikethrough price on
03-18-2026
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Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage.
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
06-04-2026
Make sure you are getting the proper hardware for the job
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
06-03-2026
Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit!
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Secure your engine with race-proven durability using the ARP Head Stud Kit the top choice for serious BMW performance enthusiasts and professional builders alike.
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N55 Engines it is a MUST to drill and tap!
Bolt required to properly torque the head to the block
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Includes all head bolts in one cylinder head
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We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
05-22-2026
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
M7X33.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms