HOT RODS Crankshaft Assembly 4034

If you're serious about maximizing engine displacement and power on your ATV, a long-stroke crankshaft assembly is essential—and the HOT RODS 4034 delivers factory-proven reliability without the machine work typically required for these builds. This complete, pre-assembled unit arrives trued to OEM specifications, eliminating guesswork and allowing you to focus on installation rather than custom fabrication. Whether you're running a TRX400EX, KFX/LTZ 400, Banshee, Warrior, or Raptor, HOT RODS engineered purpose-built pistons to make the swap straightforward and ensure your engine performs and lasts as long as a stock unit.

• Factory-assembled and trued
• Complete crankshaft assembly
• Includes connecting rods
• Top-end bearings included
• OEM-spec performance
• Meets/surpasses OEM durability
• Ready for installation
• Fully rebuildable design
• Six long-stroke applications
• Special piston compatibility
• Minimizes machine work
• Main bearings sold separately
• Seals sold separately
• Single-cylinder configurations
• MPN: 4034