Description Kawasaki Ninja 250cc 2mm overbore Piston Kit. This ninja 250 big bore piston Kit has been designing and made with a State of the Art CNC Machining and manufacturing alliances with JE Pistons for decades.Spears Racing continuous committed to excellence to advance as the industry changes. This commitment has resulted in more forgings specific to certain applications, proprietary treated wrist pins and piston rings manufactured only for us. Each of these aspects has been put through stringent research and development stages to ensure that our product will exceed your standards.holding tolerances to millionths of an inch.This is the new forging that is lighter than stock OEM Pistons. At the forefront of performance, piston manufacturing has been a result of continuous research and development both in the dyno room and on the race track winning championships all over the world.Utilizing State of the Art CNC machines for manufacturing, along with purpose-designed forgings, while being able to maintain exacting specifications on each and every piston – holding tolerances to millionths of an inch. Spears Racing has been building the “commuter Style” race bikes and their engines for decades. Spears Racing Piston Kits have been winning races and Championships all over the world for over 4 decades.Spears Racing pistons have been in several of the race wins in close course racing and in road circuits in Europe and has won the Isle Of Man TT Twins numerous times. Spears Racing has been designing and making race products for decades, their continuous committed to excellence to advance as the industry changes. This commitment has resulted in more components specific to certain applications, proprietary products only manufactured for us. Each of these aspects has been put through stringent research and development stages to ensure that our product will exceed your standards. Kawasaki Ninja 250cc 2mm overbore Piston Kit: 2ea. Pistons (150grams per piston) 2ea Wrist Pins 2ea Sets of rings 4ea Cir Clips
