Pro-X 01.4121.B Piston Kit (B) - Standard Bore 48.46mm tires-wheels-rims Works great in all racing

Works great in all racing conditions and temperature and offers a consistent brake pad performance throughout the entire race

Chin Curtain

2020 Polaris RZR XP 4 1000

2023-2024 Arctic Cat ZR 8000 ATAC

Pro-X 01.4121.B Piston Kit (B) - Standard Bore 48.46mm tires-wheels-rims Works great in all racingBore: 48. 46mm Sizing: Standard Bore Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standards. Sleeved cylinder piston kits are available in standard size and a Wide range of oversizes. Plated cylinder piston kits come in standard size, as well as in A, B, C and D oversizes if available.