Diff Washer Set (For 85427 Alloy Diff Cases) $14.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: HPI87474 ABOUT THIS PRODUCT:Diff Washer Set (For 85427 Alloy Diff Cases)AboutAboutReplacement differential washer set for the 85427 Alloy Differential cases. HPI Part #87474.