Reduce crank pin wear with these crank seals! All Balls seals are designed with a carbon/fluorocarbon sealing lip to reduce "dry start" friction
Features:
- Contains right and left crankshaft bearings (contains outer seals for all 2-stroke engines).
- Either Koyo or Nachi Bearings (precision Japanese crank bearings)
- Designed as a direct replacement for the OEM design.