1968-72 Oldsmobile 442, W-30, Cutlass, W-31, Rallye 350, Hurst Olds, 88, 98 -330-350-400-455 Engine KM 2 GROOVE CRANK SHAFT PULLEY NON AIR CONDITIONING CARS/CARS WITH HEAVY DUTY COOLING AND ALL W-30 NON A/C GM# 405461. DImensions: 7 1/4" across the face & 2 1/2" deep. This is a brand new reproduction, exact to the original in every detail, made in the same material and the same thickness. Originals are often pitted or missing. This is coated in the correct semi gloss black paint, with the code KM stamped in it.