SKU: 200-8592 | UPC: 672036020002
ARP M10 ID .850in OD Black Chamfer Washers (10 Pack)
ARP M10 ID .850in OD black chamfer washers come in a 10 pack for use with ARP fasteners in performance engines including Honda K-series Subaru EJ VW 1.8T and GM Ecotec applications. These washers distribute clamp load evenly to protect mating surfaces and maintain fastener integrity under high stress. Built for street strip and track use they pair with ARP head studs rod bolts and main studs.
Key Features
- Chamfered Design: Centers fasteners precisely and spreads load to avoid surface damage during high torque assembly
- Black Oxide Finish: Shields against rust and corrosion in harsh engine environments for lasting performance
- M10 Inner Diameter: Matches ARP M10 bolts and studs exactly for secure fit without slop or binding
- .850in Outer Diameter: Balances bearing area coverage with compact size to fit tight clearances
- 10 Pack Quantity: Supplies washers for one cylinder head set or multiple rod bolts with spares included
Product Notes
- Clean threads and surfaces before assembly to ensure maximum holding power
- Apply ARP Ultra-Torque lubricant under washers and on threads as specified
- Package arrives ready for immediate use in protective poly bag
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using proper sequence for your fastener kit
- Compatible with all ARP M10 head studs rod bolts and main cap fasteners
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-2005 | Honda | Civic | B16/B18 (with ARP head studs) |
| 2002-2011 | Acura | RSX | Type-S K20 |
| 1999-2006 | Subaru | Impreza | WRX EJ20 |
| 2004-2021 | VW/Audi | 1.8T Models | Audi TT Golf GTI |
| 2005-2011 | GM | Cobalt | SS Ecotec |
| Universal | Various | Performance Engines | ARP M10 Fasteners |
Why Choose ARP?
- ARP hardware powers wins in NHRA IHRA and other pro racing series
- High-strength steel construction holds up under extreme cylinder pressures
- Precision machined in USA for repeatable torque and zero failures
Frequently Asked Questions
- Q: Will these fit ARP head studs on my Honda K20 engine?
A: Yes these M10 washers match ARP head stud kits like 201-4307 for K20 and provide proper load distribution on aluminum heads - Q: What material and finish do the washers have?
A: Made from 8740 chromoly steel with black oxide coating for strength and protection against corrosion in oil and heat exposure - Q: What is the ARP warranty on these washers?
A: ARP provides a limited lifetime warranty against defects in materials or workmanship when installed per instructions
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Poly bag in 4 x 3 x 1 inch box
- Weight: 0.05 lbs





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