Kawasaki JS 440 550 SX Jet-Ski Nachi Crankshaft Main Bearings Set of 4

Brand new O-ringed crankshaft main bearing rebuild set.

Fits all Kawasaki 440 550 JS SX jet ski models up to 1995.

Please note this is for the inner and outer main bearings, for a total of 4 bearings.

These are genuine Japanese Nachi bearings, not cheap off-brand ones.