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Highly functional Riken Piston Rings fit Original OEM, WSM Performance and Pro X Performance pistons. Meticulous product design and advanced manufacturing backed by a strong production system make Riken Piston Rings the top choice for performance and value.
Note: Wiseco Performance Pistons use their own proprietary style piston rings. Please see the Wiseco Piston Ring section for ring replacement on Wiseco Pistons.