Piston Ring Set | Sparex Part No. S.40421 Product Specifications Brand Sparex Number of Rings 3 Compatible with Perkins Models: LA21194*, 21243*, 21245*, 21246*, 21248*, 21419, 22102*, 22207 (*=>UA187116L) Related Product SP-S.40610 Ring Types Top Ring: CP1 - Chrome Plated Parallel Faced (2.38mm) 2nd Ring CP2 - Chrome Plated Parallel Faced Internally Stepped Top (2.38mm) 3rd Ring CBEH - Chrome Plated Bevelled Edge with Helical Coil Spring (6.35mm) Tariff Code: 8409990090 Suitable For Case IH / International Harvester 475, Massey Ferguson 165, 165 US BUILT, 186, 3303, 3305, 50, 50B, Perkins A4.212 (LA) Manufacturer Information Case IH / International Harvester 3118131R91, Landini 141158045, 86775, Massey Ferguson 745764Z91, 86764, 86775, 745764V91, 41158045, 745764M91, Perkins 41158045, 86775