Piston Ring | Sparex Part No. S.42437 Upgrade your engine's performance with the Ring Set for TVO Petrol Engine. Designed for a bore size of 80mm, this high-quality set includes 4 rings to ensure optimal sealing and efficiency. Product Specifications Brand Sparex Number of Rings 3 Related Products SP-S.42431, SP-S.42436 Ring Types Top Ring: CK2 - Chrome Plated Keystone ID Step (3.50mm) 2nd Ring TN1 - Taper Faced Napier (2.50mm) 3rd Ring CBEH - Chrome Plated Bevelled Edge with Helical Coil Spring (4.00mm) Tariff Code: 8409990090 Suitable For This piston ring set is compatible with various models from Massey Ferguson including: 3075, 3120, 3125, 3140, 3625, 3635, 3645, 3655, 396, 399, 4245, 4255, 4265, 6130, 6140, 6150, 6180, 6190, 6235, 6245, 6255, 6265, 6270, 6280, 6290, 760, 8110, 8120, 8130, 8140, 8150, 8220, 865, 8925, 960, 965 Also suitable for Perkins models: 1004-4T (AB), 1006-6T (YB), 4.41 (LM) Manufacturer Information Compatible with parts from: Landini: 3641316M91, 4181A026 Massey Ferguson: 4181A026, 3641316M91, 3640594M91 Perkins: 4181A026