SKU: 200-8643 | UPC: 672036023775
ARP M8 ID .575 OD Black Washers for Honda Acura B K-Series (10/pkg)
ARP M8 ID .575 OD black washers (10 per pack) are engineered hardware components essential for high-performance Honda and Acura B-series (B16 B18) and K-series (K20 K24) engine builds. These washers ensure even load distribution in cylinder head stud main cap and rod bolt kits for consistent clamping under extreme conditions. Built for enthusiasts rebuilding engines in Civic Integra RSX models they support reliable performance from street driving to drag strip runs.
Key Features
- Precise Dimensions: M8 inner diameter and .575 inch outer diameter fit ARP stud kits perfectly for accurate seating and load transfer
- Black Oxide Finish: Resists corrosion and galling in high-heat high-vibration engine environments
- High-Strength Steel: ARP proprietary alloy withstands 200,000 PSI tensile loads without deformation
- Matched Set of 10: Provides complete quantity for single-cylinder head or main girdle applications
- Application-Specific Design: Developed from ARP race data for Honda B K-series ensuring fatigue resistance over thousands of cycles
Product Notes
- Pair with ARP head studs like 208-4305 or 204-1606 for full kit assembly
- Inspect for thread cleanliness before use to maintain clamp integrity
- Compact packaging ships flat weighs 0.05 lbs fits easily in toolbox
Installation Notes
- Professional installation recommended.
- Clean all mating surfaces and threads apply ARP Ultra-Torque lubricant as specified
- Torque to ARP values in sequence re-check after 500 miles or heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | Honda | Civic | Si CRX Si |
| 1988-1991 | Honda | CRX | Si HF DX |
| 1992-1995 | Honda | Civic | Si EG6 Del Sol VTEC |
| 1992-2000 | Honda | Del Sol | VTEC Si |
| 1994-2001 | Acura | Integra | GS RS LS GS-R Type R |
| 1999-2000 | Honda | Civic | Si EM1 |
| 2002-2005 | Honda | Civic | Si EP3 |
| 2002-2006 | Acura | RSX | Base Type-S |
| 2006-2011 | Honda | Civic | Si R18 FA1 FG2 |
| 2007-2016 | Honda | S2000 | AP1 AP2 |
Why Choose ARP?
- ARP hardware powers NHRA Pro Stock and Formula 1 engines worldwide
- Every washer tested to ARP exacting standards for zero defects
- Precision machining from aerospace-grade materials for perfect fit every time
Frequently Asked Questions
- Q: Will these washers fit B18C1 head studs in 94-01 Integra GSR?
A: Yes these match ARP kits 204-1606 and 208-4301 for all B16 B18 variants including Type R providing exact ID OD for proper washer stack height - Q: What material and finish do these washers have?
A: Forged from ARP 8740 chrome moly steel with black oxide coating for corrosion resistance and reduced friction during assembly - Q: Is there a warranty and torque specs included?
A: ARP offers limited lifetime warranty instructions include torque specs lube recommendations and sequence diagrams for your engine
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Sealed polybag in 4 x 4 x 1 inch box
- Weight: 0.05 lbs
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