Audi 2.5L EA855 TT-RS/RS3 DAZA ARP CA625+ Extreme Duty Head Stud Kit

Suitable for 2.5L TFSI (DAZA) Engines

Out of stock (available on backorder)
1.178,00 
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117-4712
Bolts & Studs
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Audi 2.5L EA855 TT-RS/RS3 DAZA ARP CA625+ Extreme Duty Head Stud Kit

This Kit was designed for drag or street racers running on high-boost engines that need more clamping force and tensile strength than the ARP2000 and L19 Stud Kits can offer. If you are looking for the best option, you’ve found it, as these are 20% stronger than ARP2000 and have a 62% increase in tensile strength over the OEM torque to Yield (TTY Bolts)! Due to many “head lifting” issues on Audi engines running more than 50PSI, a more stronger stud had to be custom-made to meet the demands of today’s top engine builders and racers. The Custom Age 625 Plus® newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength, and toughness – with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+.

No Modification to your Audi RS3 or TTRS Cylinder Head or Block is required as these are a direct drop-in replacement for the OEM Head Studs.
Tensile Strength: 260,000-280,000 PSI

Note: The nuts and washers in this Kit still utilize premium grade 8740 alloy, as only the stud is subjected to increased pressure. Each Kit contains a complete CA625+ head studs, nuts, and ARP Assembly Lubricant.

The best choice for racing Audi EA855 RS3/TTRS engines!

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