SKU: 300-8354 | UPC: 672036012519
ARP M10 x 1.25 12pt Nut Kit Pkg of 2 for Honda/Acura B-Series Engines
ARP M10 x 1.25 12-point nut kit contains two nuts designed for connecting rod bolts on B16 B17 B18 engines in 1988-2001 Honda Civic Del Sol and Acura Integra models. These nuts provide consistent clamping force and fatigue resistance essential for high-horsepower naturally aspirated or turbocharged setups. Pair with ARP rod bolts for complete reliability under extreme loads.
Key Features
- 12-Point Head Design: Enables use of thin-wall sockets for maximum torque without rounding or slipping during installation
- 8740 Chromoly Steel: Heat treated to 200,000 PSI tensile strength for repeated heat and stress cycles without failure
- Black Oxide Finish: Prevents corrosion in harsh engine environments while allowing smooth assembly
- Precision Machined Threads: M10 x 1.25 fine thread matches ARP rod bolts perfectly for secure fit and even load distribution
- Matched Kit Packaging: Two nuts per kit with exact specifications for B-series rod applications simplifying rebuilds
Product Notes
- Confirm rod bolt thread size before purchase to ensure M10 x 1.25 compatibility
- Store in dry conditions to maintain thread integrity prior to use
- Lightweight kit ships quickly without hazmat restrictions
Installation Notes
- Professional installation recommended.
- Clean threads and apply ARP Ultra-Torque lubricant for precise torque values
- Torque to ARP specs in correct sequence re-check after 100 miles or heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | Honda | Civic | SiR B16A |
| 1988-1991 | Honda | CR-X | SiR B16A |
| 1992-1995 | Honda | Civic | SiR/SiR-II B16A/B16B |
| 1992-1995 | Honda | Del Sol | VTEC B16A |
| 1992-2000 | Honda | Civic | Type R B16B/B18C |
| 1990-1993 | Acura | Integra | LS/GS B17A/B18A1 |
| 1994-2001 | Acura | Integra | GSR/Type R B18C1/C5 |
Why Choose ARP?
- Developed for professional racing teams in NHRA Top Fuel and endurance series
- Exact fit engineering from decades of motorsport data
- Consistent performance across millions of installations worldwide
Frequently Asked Questions
- Q: Do these nuts fit stock Honda B-series rod bolts?
A: No these are sized for ARP performance rod bolts and studs with M10 x 1.25 threads stock bolts use different specs - Q: What material and strength rating?
A: Forged 8740 chromoly steel heat treated to 200,000 PSI tensile and 170,000 PSI yield strength - Q: What is the ARP warranty policy?
A: Limited lifetime warranty covers defects in materials or workmanship when installed and maintained per ARP guidelines
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact protective kit box 4 x 3 x 1 inches
- Weight: 0.05 lbs





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