Old Race 340 Teardown
Here is a shot of a 1993 Mopar Performance catalogue showing the forged crankshafts available at the time. Yours should be the P4120312 or equivalent. The last 3 digits were often punched into the front counterweight face.
Here is a shot of a 1993 Mopar Performance catalogue showing the forged crankshafts available at the time. Yours should be the P4120312 or equivalent. The last 3 digits were often punched into the front counterweight face.