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ARP Cylinder Head Stud Kit - Custom Age 625+
Upgrade to ARP high tensile strength Custom Age 625+ Head Studs
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ARP Main Stud Kit - ARP2000
Build it once, and build it right!
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ARP Head Stud Kit - N63
Increase Cylinder Head Clamping Force!
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Ships in 3 Business Days
Ships in 3 Business Days
ARP Head Stud Kit - S63
Increase Clamping Force To Stop Cylinder Head Lift!
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ARP Head Stud Kit - B48
ARP2000
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APR ECU Upgrade - 2.5T GTS (982)
The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 420-458 HP and 393-448 FT-LBS of torque with gains as high as +42-81 HP and +52-106 FT-LBS of torque at the wheels.
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ARP Head Stud Kit, BMW S14
Increase Cylinder Head Clamping Force Dramatically With ARP's Head Stud Kit for Your S14-Powered BMW!
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ARP Main Stud Kit, BMW S14
Upgrade to ARP's Main Stud Kit for the S14 Engine to Reduce the Possibility of Crank-Walk!
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Audi DAZA/DNWA Main Stud Kit
Lock down your high-horsepower Audi 2.5L DAZA engine with the ultimate 260,000+ PSI clamping force of the ARP Custom Age 625+ head stud kit.
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Known for head studs and head bolts, ARP is the go-to fastener when failure is not an option. Main studs, cylinder head bolts or wheel studs are all critical components where unexpected stretching can result in a detrimental failure. ARP features premium grade 8740 alloy that is a far superior material selection for this application versus a supposed "aircraft" quality product.