ARP 2000 RB25 Head Studs (202-4309) - Just Released!
Upgrade your engine's performance with the newly released ARP 2000 RB25 Head Studs (202-4309). Crafted from premium ARP 2000 material, these head studs boast an impressive tensile strength of 220,000 psi, surpassing the previous 8740 material's 190,000 psi. Designed for durability and reliability, they are heat-treated before thread rolling and machining, ensuring optimal performance under extreme conditions.
Material: Premium ARP 2000
Tensile Strength: 220,000 psi
Includes 12-point nuts for secure fastening
Comes with hardened parallel washers for even load distribution
Ensures accurate torque readings
Whether you're a professional mechanic or an automotive enthusiast, these head studs are engineered to meet the highest standards, providing the strength and precision your engine demands.
More Information
Product Name
ARP 2000 RB25 Head Studs (202-4309)
Brands
ARP
Engine
RB25
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:
Product images are for description purposes only. Actual product may vary.
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 2000 RB25 head studs?
For the ARP 2000 RB25 head studs, the recommended torque specification is typically around 80 ft-lb when using ARP Ultra-Torque lubricant. Always refer to ARP’s latest instructions for the most accurate guidance.
Do I need to machine the cylinder head when installing these head studs?
While the ARP 2000 RB25 head studs are designed for a direct fit, it's advisable to ensure the cylinder head and block surfaces are flat and within OEM specifications. Machining may be necessary if there are any warps or imperfections.
What are the benefits of using ARP 2000 head studs over standard head bolts?
ARP 2000 head studs provide significantly higher tensile strength (220,000 psi) compared to standard head bolts. This increased strength helps maintain clamping force under high boost and extreme conditions, reducing the risk of head gasket failure.
Can I reuse ARP 2000 head studs after disassembly?
ARP recommends against reusing head studs after disassembly. While they are durable, reusing them can compromise their integrity and performance. It's best to install new studs for optimal reliability.
What additional components should I consider when installing ARP 2000 head studs?
When installing ARP 2000 head studs, consider using new head gaskets and ensuring that the cylinder head is properly torqued down in a sequence that follows ARP's guidelines. Additionally, using hardened parallel washers can help achieve even load distribution.
