657-23523 DeCarbon gasket/joint set for a ST2 Lister Petter engine , Supersedes Part Number 657-23521 which was the old number. DWS and will be item number

and will be item number 10 on the Lister Petter drawing

This set is for a single cylinder ST model engine only

366-06760 Air Filter housing used with the ST1 engine and possibly other Lister Petter engines

This gasket set is only for a 2 cylinder engine

657-23523 DeCarbon gasket/joint set for a ST2 Lister Petter engine , Supersedes Part Number 657-23521 which was the old number. DWS and will be item number657 23523 Lister Petter decarbon gasket set, former part number was 657 23521. This set is for a two cylinder ST model engine only. This set gives you the necessary gaskets to properly replace the cylinder head on a ST2 engine after removing the built up carbon. The ST model engine was used on numerous applications including generators, fan units, pumps and air compressors.