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Wiseco Bottom End Rebuild Kit Crankshaft . See Fitment Chart For Vehicle Model Fitment.

Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets needed for the job

The crank pin bearings are manufactured from the highest quality hot rolled steel. Case hardened to 58-62C

The caged needle roller bearings provide the highest possible RPM

Complete gasket kits are made from premium materials for maximum sealing and reliability

Complete kits have everything needed for your rebuild

All bearings are OEM quality for reliability and performance

  • Bottom End Rebuild Kit includes crankshaft assembly, complete bottom end gasket kit, and bearings.
  • Everything you need in one box.
  • Complete gasket set with all engine seals and O-rings.
  • OEM grade main bearing for ultimate smooth operation.
  • Double forged for ultimate strength and durability.
  • Shot peened to remove residual stress and smooth surface blends.
  • Coated bronze thrust washers with dimpling to improve oil retention and reduce friction.

Fits the following models:

KAWASAKI KX250F 2004-2008
SUZUKI RMZ250 2004-2006