Big Bore kit with more capacity (105 instead of 85). Including both the Factory cylinder head with variable combustion chamber and the MX combustion chamber insert, this kit combines the advantages of serious torque and top performance with the advantages of the Factory cylinder head with variable combustion chamber.

F6075M8	85 SXS 17/14 2013	2013	US
F6075O8	85 SXS 17/14 2015	2015	US
F6075N8	85 SX 17/14 2014	2014	US