Delivery time approx. 4 - 5 weeks

ARP CA625+ Head Stud Kit – Hyundai i30N G4KH (2017-present) | Maximum Engine Bracing for High-Boost Builds!

Building a high-performance Hyundai i30N with serious power increases or considering a hybrid or full-frame turbo upgrade? Then the ARP CA625+ Head Stud Kit is the essential upgrade for your G4KH engine ! This ultra-strong stud kit offers superior clamping force and prevents cylinder head lifting under high boost pressure - a common problem with highly tuned i30N engines.

Made from ARP's exclusive CA625+ material , a nickel-based superalloy , this kit offers extreme tensile strength and heat resistance. This makes it ideal for race use, track cars, drag builds and everything in between where reliability under high pressure is required.

Why choose the ARP CA625+ Head Stud Kit?

✅ Made from CA625+ alloy – Stronger than standard ARP2000 studs.
✅ Extreme Tensile Strength – Over 260,000 PSI!
✅ Perfect cylinder head sealing – Reduces the chance of cylinder head gasket problems at high pressure.
✅ High reliability – Indispensable for big turbos or 500+ nm setups.
✅ Reusable – Unlike OEM head bolts.
✅ Complete with nuts & ARP Ultra-Torque mounting grease

Technical Specifications:

• Application: Hyundai i30N G4KH engine (2017-present)

• Material: ARP CA625+ (nickel-based alloy)

• Tensile strength: >260,000 psi

• Usage: Recommended for everything from Stage 3 builds to full-race setups

• Inclusive:

  • Head studs

  • Reinforced ARP nuts

  • Hardened washers

  • ARP Ultra-Torque mounting grease

When is this upgrade necessary?

🔧 For hybrid turbo upgrades (such as TTE490, TZ450 etc.)
🔧 For setups above 1.6 bar turbo pressure
🔧 If you regularly go to the circuit
🔧 For repeated cylinder head gasket problems
🔧 When you want absolute reliability under extreme conditions

The ARP CA625+ Kit: Your Security for Extreme Power

Whether you're going for a 500hp street build or a 600nm track monster, the ARP CA625+ Head Stud Kit gives your i30N the structural security you need . Ditch the standard head bolts and opt for proven motorsport technology from ARP.

💥 Order the strongest head stud kit on the market for your i30N today! 💪