Grizzly Rhino Raptor YFM 660 102mm Big Bore Piston & Gaskets Top End Rebuild Kit

3YF-11638-00-00, 3YF-11636-00-00, 3YF-11631-00-X0, 2C6-11638-00-00, 2C6-11636-00-00, 2C6-11631-00-X0, 5KM-11351-00-00, 3YF-11351-00-00, 3YF-11181-00-00

Breathe new life into your Yamaha Raptor, Grizzly, or Rhino 660 with our high-performance 102mm Big Bore Piston & Top End Gasket Kit

Includes 102mm Pistons, Piston Ring Set, Wristpin, Circlips, and Top End Gasket Kit

Precision-engineered for a perfect fit

Durable construction for long-lasting performance

Increases engine displacement for more power and torque

Easy installation with no modifications required

This replacement piston and  gasket kit is the perfect upgrade for your Yamaha 660 ATV or side-by-side. Boost your engine's displacement by 102mm to unlock a surge of raw power and acceleration. Engineered to exacting standards, the gaskets ensure a leak-free seal for reliable, consistent performance.

Whether you're conquering the trails, hauling heavy loads, or putting your machine through its paces, this kit will breathe new life into your Yamaha 660. Elevate your riding experience with this essential performance upgrade.