HOT RODS Crankshaft 4021

If you're building a long-stroke engine for your ATV, you need a crankshaft that's been engineered for the abuse that comes with high-performance riding. The HOT RODS Crankshaft 4021 arrives factory-assembled and trued to OEM specifications, eliminating guesswork and saving you hours of machine work. This is a complete, ready-to-install solution that meets or exceeds OEM durability while delivering the stroke you need for increased displacement and power.

What sets this apart is Hot Rods' proven track record with long-stroke ATV applications. Whether you're running a TRX400EX, KFX/LTZ 400, Banshee, Warrior, or Raptor, Hot Rods has already engineered the pistons and geometry to make installation straightforward—no custom machining required. You get a fully rebuildable assembly backed by decades of racing pedigree.

• Factory assembled and trued
• Complete with connecting rods
• Includes top-end bearings
• OEM-specification performance
• Meets or exceeds durability
• Six long-stroke ATV applications
• TRX400EX compatible
• KFX/LTZ 400 compatible
• Banshee compatible
• Warrior compatible
• Raptor compatible
• No machine work needed
• Fully rebuildable design
• Main bearings sold separately
• Seals sold separately
• Bolt-on installation ready
• MPN: 4021