Kit 290cc Ø83mm ATHENA racing for KAWASAKI KX 250 F of 2009 and 2010

Complete kit ATHENA of very high quality! Aluminum cylinder with high quality Nicasil treatment, made in Italy. VERTEX piston, high compression with pre-ground steel segmentation! Joint ATHENA, (one of the best seal manufacturer in the world), we are clearly on the very top of the range. The increase in compression as well as the reduction of friction, the temperature in the room will offer more performance to your machine! Also, but especially, with its big diameter of 83mm, this kit BIG BORE offers an increase of the cubic capacity to 290cc ouple and power! Arises on the KAWASAKI KX 250 F of 2009 and 2010.