Description
Exclusive Arp flash sale discount at StreetFX!
Talk about timing! This is a limited offer while stocks last on various Arp part numbers. There's never been a better time to buy your Arp upgrades, so what are you waiting for?!
This item is currently on sale!
Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.
Flat Washer - Special Purpose - 0.375 in ID - 0.715 in OD - 0.12 in Thick - Stainless - Polished - Pair
ARP 3/8ID .720OD SS washer
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 16:28:35
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Arp, Arp Fasteners |
| StreetFX SKU | arp400-8504 |
| SFX Item ID | 4368423 |
| Accounting SKU | arp-400-8504 |
| Manufacturer SKU | 400-8504 |
| Manufacturer UPC | 672036036874 |
| Alternative References | ARP-400-8504 |
Washers, Flat, Stainless Steel, Polished, 0.375 in. i.d., 0.715 in. o.d., 0.120 in. Thick, Pair
Hardened ARP Special Purpose washers are parallel-ground from premium chromoly. They are available in a variety of sizes and thicknesses for use on virtually any application. Special connecting rod washers are available, as are some of the popular metric sizes. Build up your supply so you don't get caught short when the need arises.
| Product Attributes | |
|---|---|
| Brand | ARP |
| Manufacturer's Part Number | 400-8504 |
| Part Type | Washers |
| Product Line | ARP Special Purpose Washers |
| UPC | 672036036874 |
| Washer Outside Diameter (in.) | 0.72 in. |
| Washer Outside Diameter (mm) | 18.161 mm |
| Washer Inside Diameter (in.) | 0.38 in. |
| Washer Inside Diameter (mm) | 9.525 mm |
| Washer Thickness (in.) | 0.120 in. |
| Washer Thickness (mm) | 3.048 mm |
| Washer Material | Stainless steel |
| Washer Color | Polished |
| Inside Diameter Chamfer | No |
| Hardened | Yes |
| Quantity | Sold as a pair. |
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