SKU: 102-2501 | UPC: 672036044787
ARP Harmonic Damper Bolt Kit for 1989-2002 Nissan Skyline GT-R RB26DETT 2.6L Inline-6
ARP Harmonic Damper Bolt Kit (102-2501) locks the harmonic balancer in place on Nissan RB26DETT 2.6L inline-6 engines in Skyline GT-R models. As crankshaft flexes under high RPM and torque, these bolts absorb massive energy to prevent slippage. Built for reliability in racing and street performance applications.
Key Features
- 190,000 PSI Tensile Strength: Delivers extreme clamping force to hold damper secure during peak engine loads
- 1/4-Inch Thick Wide Washer: Distributes load evenly and increases holding power against vibration
- Extra Tall 12-Point Head: Accepts deep socket for precise torque without stripping risk
- 8740 Chrome Moly Construction: Heat-treated alloy steel resists fatigue and maintains strength over time
- Black Oxide Finish: Provides corrosion resistance for long-term engine bay durability
Product Notes
- Single high-load center bolt kit designed specifically for RB26 applications
- Inspect OEM bolt during install. replace if worn to ensure peak performance
- Packaged in USA-made protective sleeve for safe handling
Installation Notes
- Professional installation recommended.
- Use ARP-provided instructions and torque wrench set to 180-200 ft-lbs dry
- Requires 19mm deep 12-point socket. compatible with ARP harmonic balancers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | R32 GT-R RB26DETT |
| 1995-1998 | Nissan | Skyline | R33 GT-R RB26DETT |
| 1999-2002 | Nissan | Skyline | R34 GT-R RB26DETT |
Why Choose ARP?
- Over 70 years of fastener expertise in motorsports worldwide
- Every bolt tested beyond OEM standards for consistent performance
- Precision forged and thread-rolled for exact fit and repeatability
Frequently Asked Questions
- Q: Does this fit all RB26DETT engines in Skyline GT-R?
A: Yes, direct replacement for 1989-2002 R32 R33 R34 GT-R models with stock or aftermarket harmonic dampers - Q: What material and strength rating?
A: Forged 8740 chromoly steel with 190,000 psi tensile strength and black oxide finish - Q: What is the recommended torque spec?
A: ARP recommends 180-200 ft-lbs. always follow service manual and use thread lubricant if specified
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact protective box 3.5 x 2.5 x 1 inches
- Weight: 0.15 lbs
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