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ARP
ARP Custom Age 625+ Head Stud Kit – Ultimate Strength for Subaru WRX/STI & More
ARP Custom Age 625+ Head Stud Kit – Ultimate Strength for Subaru WRX/STI & More
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$560.00
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$560.00
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Maximize clamping force and prevent head gasket failure in your 2002-2014 Subaru WRX, 2004-2020 STI, and compatible models with ARP Custom Age 625+ 11mm Head Studs. This high-performance alloy is significantly stronger than stock head bolts, essential for high-boost and racing builds.
- Custom Age 625+ alloy for superior strength and fatigue resistance
- Handles extreme pressure for reliable head gasket sealing
- Prevents blown head gaskets even under the most demanding conditions
- Kit includes 11mm studs, hardened parallel-ground washers, and ARP assembly lube
Features:
- 260,000-280,000 psi tensile strength for unmatched durability
- Precision machined for perfect fitment and reliability
- Reusable and trusted by professional engine builders
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Transform Your Subaru – Proven Performance at FI
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