PROX crankshaft bearing and seal kit built to exact OEM specifications for maximum durability and smooth 2-stroke performance. Ideal for a reliable bottom-end refresh and correct crankshaft fitment.
Restore smooth, reliable 2-stroke engine performance with the PROX Crankshaft Bearing and Seal Kit, manufactured to exact OEM specifications for durability and correct fit. When you’re rebuilding the bottom end, worn crank bearings or leaking seals can cause vibration, air leaks and premature engine wear—this kit helps you bring the crankshaft support and sealing back to spec.
Because it includes the necessary bearings and seals for component replacement, it simplifies the rebuild process and helps ensure consistent results. The kit is designed for use with OEM or Pro-X crankshafts, making it a dependable choice for maintenance and performance-focused rebuilds.
