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SKU: 200-8537 | UPC: 672036023294
ARP M12 ID .875 OD Black Washers for Toyota 2JZ Nissan RB26 Honda K-Series (Pack of 10)
These ARP washers feature precise M12 inner diameter (0.472 inch) and 0.875 inch outer diameter with 0.060 inch thickness, designed as direct replacements for ARP M12 head stud and main stud kits. They fit popular engines including Toyota 2JZ-GTE/GE, Nissan RB26DETT, and Honda K20/K24 series found in Supra, Skyline GT-R, RSX, and Civic Si models. Chrome moly construction and black oxide finish ensure consistent clamp load retention and corrosion resistance during demanding street, drag, and track conditions.
Key Features
- Chrome Moly Steel: High tensile strength material withstands extreme cylinder pressures and heat cycles without deforming
- Black Oxide Finish: Provides corrosion protection for long lasting performance in harsh engine environments
- Precision Dimensions: M12 ID x 0.875 OD x 0.060 thick ensures perfect fit on ARP M12x1.25 and M12x1.5 studs
- Matched Set Design: Pack of 10 allows complete replacement or spares for multi-stud applications
- ARP Engineering: Proven in professional racing to deliver repeatable torque and sealing integrity
Product Notes
- Confirm washer specs match your specific ARP stud kit instructions
- Pair with ARP Ultra-Torque fastener lubricant for optimal preload accuracy
- Net weight 0.1 lbs keeps shipping costs low
Installation Notes
- Professional installation recommended.
- Clean bolt threads and surfaces before assembly using ARP thread cleaner
- Compatible with ARP head stud kits. follow provided torque sequence diagram
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | 2JZ-GTE |
| 1989-2002 | Nissan | Skyline | RB26DETT |
| 2002-2006 | Acura | RSX | Type-S (K20A2) |
| 2006-2011 | Honda | Civic Si | K20Z3 |
| 1998-2005 | Toyota | GS300 | 2JZ-GE |
| 2002-2006 | Honda | Civic | Type R (K20A) |
Why Choose ARP?
- Decades of dominance in motorsports from NHRA to endurance racing
- Manufactured to aerospace level standards in the USA
- Exact fit engineering eliminates guesswork in critical fastener applications
Frequently Asked Questions
-
Q: Which ARP head stud kits use these M12 washers?
A: Common in kits like 204-4707 (Toyota 2JZ), 204-8701 (Nissan RB26), and 206-4807 (Honda K20/K24). check your kit parts list for confirmation -
Q: What is the exact material and finish?
A: Forged 8740 chrome moly steel with durable black oxide coating for strength and rust prevention -
Q: Are special procedures required during installation?
A: Use ARP Ultra-Torque lube on threads and under washer. torque in stages per ARP specs, recheck after 100 miles or heat cycles
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Sealed ARP kit envelope measuring 4 x 6 x 0.5 inches
- Weight: 0.1 lbs
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