Piston ring set
R100 models
Only for modells with nikasil cylinders. Compare 11251337399 / 11-25-1-337-399
Stainless steel pushrod tube
for R2V models up to 9/1975
...
Duplex timing chain link
/5 to /7 models
Duplex timing chain...
Simplex timing chain
From /7 models all 2V boxers
Simplex...