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SKU: 202-5403 | UPC: 672036041830
ARP Main Stud Kit for Nissan Skyline 1989-2002 2.5L RB25DET & 2.6L RB26DETT Inline-6 ARP2000
ARP main stud kit 202-5403 secures engine mains in Nissan Skyline models with RB25DET and RB26DETT engines from 1989 to 2002. These studs eliminate main cap walk and fretting while protecting block threads for reliable high-horsepower builds. Kits include all necessary washers nuts and standoff studs for windage tray mounting where applicable.
Key Features
- ARP2000 Material: 8740 chrome moly steel heat-treated in-house to 190,000 psi tensile strength
- Precision Rolled J-Form Threads: Formed after heat-treat for threads 2000% stronger than conventional fasteners
- Eliminates Cap Walk: Prevents main cap movement under extreme loads and cylinder distortion
- Complete Kit: Hardened parallel-ground washers high-quality nuts and serrated lock nuts for windage trays
- Black Oxide Finish: Provides corrosion resistance made in USA for consistent quality
Product Notes
- Inspect engine block threads for damage before installation
- Use ARP Ultra-Torque fastener lubricant for accurate torquing
- Kit supports high-boost and high-RPM applications in stock or built engines
Installation Notes
- Professional installation recommended.
- Torque studs to ARP specifications using calibrated torque wrench
- Compatible with OEM windage trays on RB26DETT use standoff studs for secure positioning
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | R32 GT-R (RB26DETT) |
| 1993-1998 | Nissan | Skyline | R32/R33 GTS-t Type M (RB25DET) |
| 1995-1998 | Nissan | Skyline | R33 GT-R (RB26DETT) |
| 1998-2002 | Nissan | Skyline | R34 GT-R (RB26DETT) |
| 1988-2004 | Nissan | 240SX/Silvia | RB25DET Swap |
Why Choose ARP?
- Decades of use in professional racing engines worldwide
- In-house manufacturing ensures exact tolerances and strength ratings
- 8740 steel construction handles extreme cylinder pressures
Frequently Asked Questions
-
Q: Does this kit fit both RB25DET and RB26DETT engines?
A: Yes ARP 202-5403 is designed for Nissan inline-6 RB25DET 2.5L and RB26DETT 2.6L blocks in Skyline GT-R and swap applications -
Q: What material and strength rating?
A: ARP2000 8740 chrome moly with 190,000 psi tensile strength and rolled threads 2000% stronger than stock -
Q: What about warranty or returns?
A: ARP products feature rigorous quality control contact ARP for support on manufacturing defects
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure ARP box 6 x 6 x 2 inches
- Weight: 2 lbs
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