Contains right and left crankshaft bearings (contains outer seals for all
2-stroke engines).
Either Koyo or Nachi Bearings (precision Japanese
crank bearings)Reduce crank pin wear with our crank seals! Our
seals are designed with a carbon/fluorocarbon sealing lip to reduce "dry
start" friction
Quality design and construction of every All Balls piece
meets the toughest standards and conditions - from daily commuting to
full-on racing, all older bearing and seal designs are upgraded to the best
and latest specs and designs.