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SKU: 200-8792 | UPC: 672036038373
ARP M12 ID 0.995 OD Black Washers (10 Pack)
ARP M12 ID 0.995 OD black washers come in a 10 pack designed for use with ARP performance fasteners in high horsepower engine builds. These washers fit ARP head studs rod bolts and main studs on popular performance engines like Toyota 2JZ Subaru EJ25 and Nissan RB series. They maintain even clamp load under extreme boost and heat for dependable power delivery.
Key Features
- Genuine ARP Construction: Forged from premium 8740 chrome moly steel heat treated to ARP specs for maximum fatigue strength in racing conditions
- Precise Dimensions: M12 compatible ID 0.995 inch OD 1.38 inch thickness 0.090 inch ensures perfect fit over ARP stud shanks without distortion
- Black Oxide Finish: Provides corrosion resistance and reduced friction for accurate torque application during assembly
- Matched 10 Pack Set: Includes exactly matched washers for complete cylinder head or rod installations saving time on sourcing
- High Load Capacity: Supports ARP torque values up to 100 ft-lbs or more depending on application for boosted and nitrous setups
Product Notes
- Inspect washers for damage before use and replace if deformed
- Store in dry environment to preserve black oxide coating integrity
- Small lightweight part ships free on orders over $99 at many retailers
Installation Notes
- Professional installation recommended.
- Clean all threads thoroughly and apply ARP Ultra-Torque assembly lube to washers studs and nuts
- Torque to ARP specified values in sequence recheck after 100 miles or first heat cycle
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | 2JZ-GTE |
| 2002-2007 | Subaru | Impreza | WRX STI EJ255 |
| 1999-2003 | Nissan | Skyline | RB25DET |
| 2000-2009 | Honda | S2000 | F20C F22C |
| 1994-2005 | Subaru | Legacy Forester | EJ25 DOHC |
Why Choose ARP?
- Trusted by NHRA Top Fuel and NASCAR teams for decades of proven results
- Engineered with finite element analysis for strength beyond OEM fasteners
- Made in USA with exact tolerances for repeatable performance
Frequently Asked Questions
-
Q: Will these washers fit ARP head studs on my 2JZ-GTE engine?
A: Yes these M12 ID 0.995 OD washers match ARP head stud kits like 201-4306 for Toyota 2JZ engines providing proper seating under the 12-point nuts. -
Q: What material are these ARP black washers made from?
A: Constructed from ARP2000 series 8740 chrome moly alloy steel heat treated to 200000 psi tensile strength with black oxide for durability and low friction. -
Q: Does ARP offer a warranty on these washers?
A: ARP provides a lifetime warranty against manufacturing defects when installed and torqued per their guidelines using ARP lubes.
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock - ships same or next business day
- Packaging: Compact poly bag in 4 x 3 x 1 inch box
- Weight: 0.10 lbs
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