Single Left Sides are Available.
The X-HeadDOHC fits all 2010~2012 R models, 2013 GSA, 2013 RT, and R nineT models from 2014~2020.
X-HeadDOHC DOESNOT FIT the 2021~23 R 9T, as BMW changed the shape of the cylinder head. X-HeadDOHC is designed to protect more of the cylinder head surface than an