Description
If you’re rebuilding the bottom end of your TRX400X, settling for OEM internals limits your potential for reliability and consistent performance under load. This Wiseco kit delivers factory-assembled precision with shot-peened surfaces and engineered oiling that reduces thermal distortion—critical for extended engine life and peak output. Every component is trued to spec, so you bolt it together knowing your engine will perform as intended.
- Complete bottom end kit
- Crankshaft, main bearings included
- Top end bearing, gasket set
- Double-forged connecting rods
- Shot-peened surface finish
- Caged needle roller bearings
- High RPM rated construction
- Double-drilled small ends
- Precision oiling slots
- Factory assembled, trued
- Honda TRX400X 2009-2014
- Part number: WPC131B
