Nissan RB20, RB20DET, RB25, RB25DET Head Stud Kit
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Nissan RB20, RB20DET, RB25, RB25DET Head Stud Kit
Enhance the reliability and performance of your Nissan RB engine with our premium Head Stud Kit, designed specifically for the RB20, RB20DET, RB25, and RB25DET models. Whether you're building a high-performance street engine, tuning for track use, or upgrading for forced induction, this head stud kit provides superior clamping force, preventing head lift and ensuring a perfect seal between the cylinder head and block under high pressure.
Key Features:
- High-Strength Construction: Made from 8740 Chrome Moly, this kit offers exceptional strength and resistance to stretch, ensuring a solid, secure fit for your head gasket even at high RPMs and under intense boost.
- Enhanced Performance: The Head Stud Kit significantly improves head gasket sealing, preventing leaks and potential head lifting—critical for high-performance and turbocharged engines.
- Complete Kit: Includes all necessary hardware—studs, nuts, and washers—for a hassle-free installation, saving time and effort during your engine build or rebuild.
- Ideal for High-Boost & High-Performance Builds: Perfect for RB20, RB20DET, RB25, and RB25DET engines running high-performance mods, turbochargers, or upgraded fuel systems, ensuring a reliable foundation for your performance goals.
| Product Name | Nissan RB20, RB20DET, RB25, RB25DET Head Stud Kit |
|---|---|
| Brands | ARP |
| Engine | RB20, RB20DET, RB25, RB25DET |
| Make | Nissan |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
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What is the difference between ARP2000, L19 and CA625+?
ARP2000 suits most high-performance builds. L19 offers higher strength but is sensitive to handling and corrosion. CA625+ is used for extreme cylinder pressure or rpm.
Why is ARP lubricant important?
ARP torque values assume Ultra-Torque lubricant on threads and under the head. Without it, clamp load becomes unpredictable.
What is the recommended torque specification for the ARP head studs in this kit?
For the ARP head studs included in the Nissan RB20, RB20DET, RB25, RB25DET Head Stud Kit, you should follow ARP's torque specifications. Typically, for 3/8" studs, the torque value is around 55 ft-lb, and for 7/16" studs, it's around 75 ft-lb when using ARP Ultra-Torque lubricant. Always refer to ARP's latest instructions for the most accurate specifications.
Do I need to machine the cylinder head or block when using this head stud kit?
While the head stud kit itself does not require machining, it's crucial to ensure that the cylinder head and block surfaces are flat and clean. If you're building a high-performance engine, you may also want to check for any necessary machining to achieve the correct RA surface finish for optimal gasket sealing.
Can I use this head stud kit with aftermarket cylinder heads?
Yes, the Nissan RB20, RB20DET, RB25, RB25DET Head Stud Kit is compatible with aftermarket cylinder heads designed for these engines, provided they use the same stud pattern and specifications. Always verify fitment with the specific head you are using.
What type of head gasket should I use with this head stud kit?
For optimal performance, use a high-quality multi-layer steel (MLS) head gasket that is compatible with your RB engine. Ensure that the gasket is rated for the boost levels and power output you are aiming for, as this will help prevent leaks and maintain a solid seal under high pressure.
Is this head stud kit suitable for high-boost applications?
Yes, this head stud kit is specifically designed for high-boost and high-performance applications. The high-strength construction of the studs provides superior clamping force, which is essential for preventing head lift and ensuring a reliable seal under the increased pressures associated with turbocharging.
