Built Tough Crankshaft Assembly With NS Needle Bearing For 500cc Atv And Quads Engineered For Smooth Power Transfer And A Quick Drop In Replacement Upgrade Kit

Upgrade your 500cc ATV with this reliable crankshaft assembly.
✔️ Balanced needle bearing shaft keeps vibrations low under load.

You swap worn out cranks with this ready to mount assembly. It fits standard 500cc quad frames and restores direct throttle response. Your rebuild stays tight because the main shaft aligns perfectly every time.

✅ Needle bearing seals keep debris out of the journal contact point
✅ Full counterweight design dampens high RPM shake across the driveline
✅ Core rotating assembly part requires proper bearing fit during rebuild
✅ Finished in durable XY Xinyang coating for long riding seasons

💡 What is the right way to prep a new ATVs crankshaft for peak performance? You cut garage time with a handy swap that keeps main bearing seats perfectly aligned during assembly.
- Tight clearances stop oil leaks and protect your quads high pressure gears
- Steady rotational force lasts longer when you match sealed ball bearing standards
- Fresh powder coated steel blocks moisture damage and cuts rebuild costs

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