You will get more performance and a better torque with the asymmetrically camshaft for all R2V models up to 9/1980. Furthermore you will receive a completely camshaft kit. Completely mounted and pre-finished with a asymmetrically camshaft, end shield and chain wheel for all BMW R2V models up to 9/1978, this shall not apply for R45/R65. The sports ram makes a weight reduction with only 40 gram possible and is suitable for all R2V Boxer. The plunger is laser welded of the brand Wank Tuning.