Kalama 66.36mm Piston Kit for Yamaha YZ250 YZ 250 2002~2023

Bore Size: 66.36mm

Item fits Yamaha: 

YZ 250 2002~2023

Item includes:

Piston w/ RIK Ring Kit x 1
Replace OE P/N: 1P8-11631-00-A0

Features:

★ Made In Taiwan

★ A390 aluminum alloy 

★ Hard Anodize on crown and side for ignition and combustion resistance

★ MoS2 Skirt coating reduce friction and improve wear

★ RIK Piston Ring: most well-know manufacturer in the industry

★ Cast piston has super-high silicone content for additional strength