Big bore replica piston kit - diameter to choose. Piston kit big bore ø 80.00 c - 23274c reference: 09102556 - 23274c brand: vertex. This product is compatible with. Ktm sx-f 250 250cm3 (2006; 2007; 2008; 2009; 2010; 2011; 2012). The item ods \The seller is \This item can be shipped to the following country: