Available to replace cranks on 1984-99 model Evolution 96" engines and will replace cranks on most 89" and 106" engines using 4 5/8" strokes, check piston weight for balance factor
These crankshafts utilize Jims Machining pinion shaft #2437. This shaft has a long bushing end allowing it to be used on 1990 & later model engines with the stronger 1984-99 style pinion shaft gear components used. You must use pinion conversion package if using on 1990 & later engines
Replace your old crankshaft with an Ultima professionally balanced crankshaft. Lightweight racing connecting rods and our exclusive balancing system makes these an exceptional value. This is the core of your engine and can make or break your ride quality. These crankshafts use Jims Machining shafts and pins and late styel bearings.