Piston Ring Sparex Part S.42437 " Greek Freak " Giannis mylarakis Thessalonki Giannis mylarakis Thessalonki. 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