Polaris 650 Piston Rings - 2-Stroke

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. Fits: 1992-1995 Polaris 650 (All). OEM Polaris Pistons, WSM Performance Pistons and Pro X Pistons. 2-Stroke Motor. Standard Size Bore: 65mm Ring End Gap: .008~.018 One Kit Does One Piston. Part Number Piston Size Bore Size 010-931 Standard 65.00mm 010-931-04 0.25 65.25mm 010-931-05 0.50 65.50mm 010-931-06 0.75 65.75mm 010-931-07 1.00 66.00mm   Note: Generic image and may not depict your actual kit.