ARP Washer, 3/8 ID x 5/8 OD x 0.063 Th, Black Oxide, Each

Brand: Automotive Racing Products (ARP)

High-quality steel washers from ARP are a perfect match for ARP SAE Bolt 5-Packs. They are perfect for installing most accessories or even suspension components. The ID is slightly oversized to clear the under-head radius of just about any standard bolt. Despite their strength, these general-purpose washers should never be used on cylinder head bolts/studs, main caps, or connecting rods.

This size has a 3/8" nominal ID and a 5/8" OD and measures 0.063" thick (same as standard AN960-616 washers). The black oxide finish looks tough and takes paint well. Sold individually.

Note: These washers are not for use on cylinder heads, main bearing caps, or connecting rods!