PROX crankshaft bearing & seal kit made to exact OEM specifications for smooth, reliable engine operation and long service life. Ideal for crankshaft service on 4-stroke engines and compatible with OEM or Pro-X crankshafts.
Restore smooth engine operation with an OEM-spec crankshaft bearing kit from PROX. This crankshaft bearing & seal kit is produced to exact OEM specifications to deliver dependable performance and long-term durability under demanding riding conditions. It’s a smart choice when refreshing the bottom end, reducing unwanted play, and helping your crankshaft run true and smooth.
Designed for 4-stroke applications and intended for use with OEM or Pro-X crankshafts, this kit simplifies service by providing the necessary components for a proper replacement job—helping you get back to consistent performance with less downtime.