Aftermarket Part. Two mounting hole centers are about 142mm apart
Fits the WM80 series engines as well as some of the below
BS500 BS600 BS650 BS700 , BH22, BH23, BH24, BS30 BS45,BS50-2 BS52 BS60-2, BS65Y BS70-2
This also fits some of the clone rammers and trench compactors.