Piston Ring | Sparex Part No. S.110972 Upgrade your engine's performance with the Sparex Piston Ring Set, specifically designed for the Sisu 310 Engine. This set includes 4 high-quality rings that ensure optimal sealing and efficiency. Product Specifications Brand Sparex Number of Rings 4 Related Products SP-S.110967 Ring Types Top Ring: CP1 - Chrome Plated Parallel Faced (2.46mm) 2nd Ring P1 - Parallel Faced Plain (2.96mm) 3rd Ring N1 - Napier, Externally Stepped Bottom with Single Hook (2.96mm) 4th Ring CBEH - Chrome Plated Bevelled Edge with Helical Coil Spring (4.98mm) Compatibility Information This piston ring set is compatible with: Sisu Diesel 310 Valmet & Valtra Models: 33, 359, 361, 500, 502, 504, 565 Manufacturer Information OEM Fitment: Valmet & Valtra 836015816 Enhance your engine's reliability and performance with the Sparex Piston Ring Set, designed for durability and precision fitment.