01-'18 for Yamaha YZ250F NAMURA Piston Rings 76.94Mm For Namura Pistons Only These pistons have been designed

These pistons have been designed to incorporate a domed piston deck

MPN: HJ2016HB-001RD

6% more torque (when used with Stealth Air Cleaner Kit)

Anti-slip rubber feet and top

MPN: 2512819-80-10

01-'18 for Yamaha YZ250F NAMURA Piston Rings 76.94Mm For Namura Pistons Only These pistons have been designedManufacturer: Namura MPN: NX 20030R Title: Piston Ring Set Size: 76. 95mm 76. 97mm Option: Color: Top End kit includes: piston, rings, wrist pin, clips, topend bearing, and gasket kit MOS2 (Teflon Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads