Chain guide rail for chain tensioner Simplex
for all 2-valve boxer models Sept. 1978-up
Compare 11311335576 / 11-31-1-335-576
Piston for chain tensioner Simplex
for all 2-valve boxer models...
Spring for chain tensioner Duplex
for all /5, /6, /7 models until...
Duplex timing chain link
/5 to /7 models
Duplex timing chain...