Wiseco Bottom end Rebuild Kit

Wiseco’s bottom-end rebuild kits help save time and money for your dirt bike, ATV, or UTV bottom-end rebuild. Available for many popular applications, these kits contain a crankshaft assembly, main bearings, and a bottom-end gasket kit, all in one box under one part number.

Includes complete crankshaft assembly, main bearings, and complete bottom-end gasket and seal kit in one box. Elevated engineering and quality control measures to ensure reliable service
OEM quality main bearings and rod bearings for smooth operation and reliable longevity. Precision machined crank webs for ultimate strength and durability. Copper-plated, heat-treated, and shot-peened connecting rod to remove residual stress and smooth surface blends.