Description
A worn crankshaft seal can silently undermine engine reliability, leading to oil leakage and costly damage that sidelined racers can’t afford. The PROX Crank Seal Kit RM250 delivers OEM-quality seals in one complete package, eliminating guesswork during crank rebuilds and ensuring a tight, dependable seal. Whether you’re freshening an engine after a season or performing preventative maintenance, this kit provides everything needed for a professional-grade crank rebuild without sourcing individual components.
- OEM quality construction
- Complete crank rebuild seals
- RM250 specific fitment
- Manufacturer part 42.3323
- All necessary seals included
- Bolt-on installation ready









