This item is Compatible with Oldsmobile applications. 1968-74 , , , --350--455 Engine 1pc KH & 2 POWER STEERING PUMP PULLEY CONDITIONING CARS. GM# 399406. Dimensions: 6 5/8" across the face and 2" deep. This is exact reproduction. Exact to the original in every detail. Made in the same material and thickness. Originals are often pitted or missing. This is coated in the correct semi gloss black paint with the KH code stamped in .