Description
A crankshaft is the backbone of your engine’s reliability and performance—especially when pushing an RM-Z450 to its limits. Wiseco’s factory-assembled kit delivers precision-engineered components that meet OEM specifications while handling the demands of competitive riding and high-RPM operation. This complete package eliminates guesswork by including bearings and gaskets, getting your bottom end back in the fight with confidence.
- Double-forged connecting rods
- Shot-peened surface treatment
- Case-hardened rod bores
- Precision honing design
- Engineered oiling slots
- Caged needle roller bearings
- Factory assembled and trued
- OEM specification compliance
- High-RPM rated construction
- Includes main bearings
- Includes top-end bearing
- Includes gasket set
- Fits 2005-2007 RM-Z450
- MPN: WPC142









