HOT RODS Crankshaft Kit 4089

A long-stroke crankshaft kit unlocks measurable gains in low-end torque and overall engine responsiveness—critical for ATV racing where power delivery consistency determines race outcomes. The HOT RODS 4089 arrives factory-assembled and trued to OEM specifications, eliminating the guesswork and machine work typically required when building a stroker engine. You get a complete, ready-to-install assembly backed by Hot Rods' proven track record in high-performance ATV applications.

Technical Specifications:

• MPN: 4089
• Factory assembled
• Trued to OEM specs
• Includes crankshaft webs
• Includes connecting rods
• Includes top-end bearings
• Meets/surpasses OEM durability
• Completely rebuildable design
• Bolt-on installation
• Main bearings sold separately
• Seals sold separately
• Compatible: TRX400EX
• Compatible: KFX/LTZ 400
• Compatible: Banshee
• Compatible: Warrior
• Compatible: Raptor
• Eliminates custom machine work
• Long-stroke application
• Improved low-end torque
• Enhanced engine responsiveness