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ARP 200-8721 High Performance Washers 3/8" ID .720" OD Black Oxide 2-Pack

Manufacturer

Picture for manufacturer ARP

Part Number

200-8721
5 reviews
Sale Price

$3.49

Estimated ship date Thursday, November 19

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

These precision washers feature a 3/8" inside diameter and .720" outside diameter with an internal chamfer to provide proper clearance for the radius between the bolt shank and head.

Key Features:

  • Constructed from premium 8740 chromoly steel for superior strength and durability
  • Parallel-ground surface ensures even load distribution
  • Through-hardened for maximum performance under high-stress conditions
  • Black oxide finish provides corrosion resistance and a professional appearance
  • Internal chamfer accommodates under-bolt head radii
  • Precision-manufactured to strict tolerances for consistent performance

These premium washers are ideal for cylinder head installations, engine builds, and any high-performance application where proper fastener clamping force is critical. ARP washers are trusted by professional engine builders and racers worldwide for their quality and reliability. The 2-piece package is perfect for keeping spares on hand or for applications requiring a matched pair.

Products specifications

Material

Black Oxide

Size (ID/OD)

3/8 / 0.720

Thickness

TBA

Found Autoplicity through price searching. Best price, easy to navigate site, quick service. Bookedmarked for future use!

An easy to navigate website, great prices and efficient company. I will definitely check Autoplicity first for all of my automotive needs. From purchase to arrival I was well informed as to the status of my order.

I was apprehensiveness at first to make a major purchase with Autoplicity due to their extremely low price and lack of reviews. I decided to take the chance and I am very glad I did. I made my order on a Monday morning at 0900 eastern time and my product arrived on Wednesday at 3pm. The item was exactly as described and the most astonishing part is that my purchase was released from the factory less than 45 days ago. I was expecting a model that had been sitting on a shelf for the last year and needed to be updated. That was not the case. I will definitely order from Autoplicity again in the future.

great prices,fast shipping,cheaper than discount warehouse

I needed to verify the part was correct. The telephone staff was very helpful, professional and informed about your products.

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