Description
A compromised crank seal allows oil to escape and contaminants to enter—both catastrophic for engine longevity. The PROX Crank Seal Kit delivers OEM-spec seals for a complete, reliable crank rebuild without the guesswork of sourcing individual components. Whether you’re refreshing a high-mileage engine or assembling a fresh build, this kit ensures proper oil containment and crankshaft protection.
- OEM-quality construction
- All seals included
- Complete crank rebuild
- KTM 250/300 fitment
- MPN: 42.6320
- Bolt-on replacement
- Prevents oil leakage
- Blocks contaminant entry









