KTM 505 SX/ATV 2009-2010 Tuning kit stage 4

Tuning kit stage 4  
Tuning kit like stage 2, without top-end sealing kit. In addition, special connecting rod kit, including crankshaft balancing (disassembly and assembly also included). Price without sealing kit! Complete engine gasket set for year of construction 2008 on request! Please indicate the year of construction.