CP Pistons 05-09 Kawasaki KX250F 13.5:1 79mm +2mm Oversized Bore x 53.6mm Stroke (263cc) Piston Kit

High performance and racing Kawasaki KXF250 piston kit designed for maximum power output. Features include double forced pin oilers, fully CNC machined, accumulator groove, pick lock removal grooves, anti-detonation grooves, X-style forging, lightweight pins, and balancing to +/- 1 gram. As part of the "Project X" series, it also includes leading edge racing piston technology, fully boxed style forging for ultimate strength, coated piston skirts, internal windows for additional oil flow to the pin, new piston skirt designs to maximize power and reduce piston rocking, and wrist pins treated with a proprietary coating to eliminate pin galling.