This item is Compatible with Oldsmobile applications. 1968-77 , W-30, , W-31, 350, Hurst Olds, , --350--455 Engine KJ 2 CRANK SHAFT PULLEY NON CONDITIONING CARS GM# 405459. Dimensions: 6 1/4" across the face & 2 1/4" deep. This is a brand new reproduction, exact to the original in every detail, made in the same material and the same thickness. You would swear was NOS. Originals are often pitted or missing. This is coated in the correct semi gloss black paint, with the code KJ stamped in .