All Balls Racing Crankshaft Bearing Kit (24-1006) Category_Piston Kits Water and dirt act as

Water and dirt act as a grinding compound between the seal face and the mating surface of the spacer

Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines

making the use of bobbins the only way to safely fit a rear paddock stand

Viton rubber fuel resistant gaskets

All Balls Racing Crankshaft Bearing Kit (24-1006) Category_Piston Kits Water and dirt act asContains 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