Specifications
- Brand
- ARP
- Part #
- 200-8578
- UPC
- 672036019877
ARP 5/16 ID .550 OD Washer - 2 Pack
$1.98
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ARP 5/16" ID washers (0.550" OD) in a 2-pack. Essential for proper torque and sealing in engine builds.
Key Features
- 5/16 inch inner diameter — fits common ARP fasteners.
- 0.550 inch outer diameter — offers a solid bearing surface.
- Hardened steel construction — resists deformation under load.
- Sold as a 2-pack — enough for a couple of critical fasteners.
Specifications
- Brand
- ARP
- Manufacturer Part #
- 200-8578
- UPC
- 672036019877
Frequently Asked Questions
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ARP 5/16 ID .550 OD Washer - 2 Pack
$1.98