Description
ProX Crankshaft Oil Seal Kit SKU 42.4519 for Kawasaki 900/1100 STX ZXi Ultra series. Japanese OEM seals engineered for the heavy crank loads of these big-displacement two-strokes, preventing oil blow-by that kills powerband and causes premature bearing failure.
- Dual-seal kit for Kawasaki 900/1100 crankshafts
- Japan OEM manufacturing precision
- Heavy-duty construction for 1100cc abuse
- Eliminates STX/ZXi oil consumption issues
- Critical for big Kawasaki PWC rebuilds





