SKU: 202-4309 | UPC: 672036043544
ARP Cylinder Head Stud Kit for Nissan 2.5L RB25DE/DET Inline-6 ARP2000 M11 1993-2002
Secure your Nissan RB25DE/DET engine with this ARP Pro Series cylinder head stud kit designed for Skyline R33/R34 GTS25t/GT-T and Stagea WC34 models. These M11 studs provide consistent clamping force to handle high boost and RPM in performance applications. Built for reliability in racing and street builds these studs prevent head gasket failures under extreme conditions.
Key Features
- ARP2000 Alloy: Rated at 220000 PSI tensile strength for extreme durability in high-horsepower RB25 engines
- Precision Heat Treatment: Vertically racked studs ensure full 220000 PSI penetration far exceeding basket-treated competitors
- Centerless Ground: Achieves near-perfect concentricity so heads and gaskets align effortlessly during installs
- Post-Heat-Treat Thread Rolling: Delivers 2000% higher fatigue strength than pre-heat-treat threaded studs
- Undercut Stud Design: Equalizes stretch across lengths for uniform clamping and resistance to gasket blowouts
Product Notes
- Studs marked with ARP for authenticity verification
- Requires ARP Ultra-Torque lubricant for proper torque values
- Ships in protective ARP packaging to prevent thread damage
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using thread lubricant included in kit instructions
- Compatible with OEM and aftermarket MLS head gaskets
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1996 | Nissan | Skyline | R33 GTS25 (RB25DE) |
| 1993-1998 | Nissan | Skyline | R33 GTS25t/M/S/T (RB25DET) |
| 1998-2001 | Nissan | Skyline | R34 25GT (RB25DE) |
| 1999-2002 | Nissan | Skyline | R34 25GT-T/GTT (RB25DET) |
| 1996-2001 | Nissan | Stagea | WC34 25t/25t Type S/25t Type T (RB25DET) |
Why Choose ARP?
- Trusted by professional engine builders in drag racing and circuit applications
- Premium 8740 and ARP2000 alloys outperform standard steels
- Exact tolerances from centerless grinding and specialized processes ensure perfect fits
Frequently Asked Questions
- Q: Will this kit fit my R34 Skyline RB25DET?
A: Yes it fits 1999-2002 R34 Skyline 25GT-T and GTT models with RB25DET engines perfectly - Q: What is the material and strength rating?
A: Forged ARP2000 alloy construction with 220000 PSI tensile strength and black oxide finish for corrosion resistance - Q: What is the warranty and install process?
A: ARP offers warranty against manufacturing defects follow kit instructions for torque specs using ARP lubricant for best results
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: ARP branded box 12 x 8 x 2 inches
- Weight: 2.8 lbs
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