Genuine NOS Lister piston assembly for Lister SL engines on 0.040" over size.
These piston assemblies comprise of:- 1 x Piston P/N 201-17440/040 and 1 x Piston ring set P/N 570-12130/040 which combined is P/N 570-10240/040
The piston assembly includes the rings, gudgeon pin and circlips.