SKU: 200-8532 | UPC: 672036006563
ARP 7/16in ID 7/8in OD Black Washers (Pack of 10) for Chevy LS SBC BBC 1955-2013
ARP 200-8532 black washers deliver 7/16 inch inner diameter and 7/8 inch outer diameter for exact fit on 7/16 inch ARP head and main studs. This pack of 10 secures high performance Chevrolet LS Series Small Block and Big Block V8 engine assemblies. Built to handle extreme loads and vibration in racing and street applications.
Key Features
- Precision Dimensions: 7/16in (0.437in) ID x 7/8in (0.875in) OD x 0.062in thick provides perfect alignment and even load distribution on ARP studs
- Black Oxide Finish: Protects against corrosion and galling in high heat oil contaminated engine bays for reliable long term performance
- High Strength Steel: Forged 8740 alloy steel handles 200000+ psi tensile loads in demanding performance engine builds
- Pack Quantity: 10 washers per pack covers requirements for most ARP head stud kits
- Universal Engine Hardware: Works with ARP 7/16in bolt kits for cylinder heads mains and rods
Product Notes
- Verify 7/16in stud diameter matches your ARP kit before installation
- Store in dry area to preserve black oxide finish
- Lightweight 0.05 lb pack ships at low cost
Installation Notes
- Professional installation recommended.
- Apply anti-seize compound to washers and torque to ARP specs
- Compatible with all ARP 7/16in head main and rod bolts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Chevrolet | Corvette | C5 LS1 LS6 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS LS1 |
| 1998-2002 | Pontiac | Firebird | Formula Trans Am LS1 |
| 1955-1985 | Chevrolet | Small Block V8 | 262 283 327 350 400 |
| 1965-1996 | Chevrolet | Big Block V8 | 396 402 427 454 |
| 2007-2013 | Chevrolet | Silverado 1500 | LS2 L76 |
Why Choose ARP?
- Trusted by NHRA Pro Stock and Top Fuel teams for proven reliability
- Manufactured to aerospace standards for consistent quality
- Precision machined tolerances reduce failure risk in high RPM builds
Frequently Asked Questions
- Q: What ARP stud kits use these washers?
A: Fits ARP 234-3601 LS1 LS6 1997-2004 head studs 234-4317 SBC 350 mains 234-5605 BBC 454 heads and similar 7/16in kits - Q: What material and finish?
A: Forged 8740 alloy steel with black oxide coating for strength and rust protection in oil contaminated areas - Q: What is the warranty?
A: ARP provides limited lifetime warranty against manufacturing defects when installed and used properly
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Compact poly bag in box 3in x 3in x 1in
- Weight: 0.05 lbs
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