Genuine Lister piston assembly for Lister SL engines on 0.020" over size.
These piston assemblies comprise of:- 1 x Piston P/N 201-17440/020 and 1 x Piston ring set P/N 570-12130/020 which combined is P/N 570-10240/020
The piston assembly includes the rings, gudgeon pin and circlips.