Insert Washer Inside Diameter: 5/16"

Name: Insert Washer Inside Diameter: 5/16"
Brand: ARP
SKU: 070-200-8561
Price: 4.69 USD
Availability: InStock

^$4⁶⁹

Ships on 11/19/2026

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1 Per Package

Inside Diameter: 5/16''
Outside Diameter: .380''
1/pkg

5/16 ID insert washer

ARP's Insert Washers are made to protect the top of holes from galling or collapsing around studs or bolts. They’re ideal for head bolt holes, mid-motor plates, or any other high-wear area that requires a washer. These Insert Washers are fully CNC machined from premium thru-hardened 8740 stock. Easily installed by just oversizing hole and pressing in washer.

Part TypeWasher

Product LineARP Insert Washers

BrandARP

Package Height0.5

Package Width3.0

Package Length5.0

Weight0.01 PG

Part CategoryPerformance Parts

Washer FinishBlack oxide

Washer Inside Diameter (Mm)9.525

Washer Inside Diameter0.375 in (9.5 mm)

Washer Outside Diameter0.625 in (15.9 mm)

Washer MaterialChromoly

QuantitySold individually

HardenedYes

Part FitmentUniversal

Washer Outside Diameter (Mm)15.875

Inside Diameter ChamferNo

Vendor Part Number200-8561

Package Qty1

Package TypeEA

Some parts are not legal for use in California or other states with similar laws / regulations

Insert Washer Inside Diameter: 5/16"

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords