Enginetech Part Number: 203300 Crankshaft Kit With Bearings Fits 1989-1994 GM & Oldsmobile 2.3L 138 DOHC 16V Quad 4 VIN 'A,D' - 92.00mm Bore Forging Number: 22532120 Reluctor Notches Line Up with Casting Line Down Center of Crankshaft. Reuse old Oil Pump Drive.