15-21 for Polaris Sportsman 850 4x4 WISECO Piston KitSportsman 40106M08700 MPN: 13-091

MPN: 13-091

PART #1620-1124

45% Polyester

Impact resistant bezel

these PTFE-coated bushings have the lowest friction properties available

15-21 for Polaris Sportsman 850 4x4 WISECO Piston KitSportsman 40106M08700 MPN: 13-091Manufacturer: Wiseco MPN: 40106M08700 Title: Piston Kit Size: Standard Bore 80. 00mm, Stock Compression Racing Choice Pistons are 1 ring, 2 Stroke or 2 ring, 4 Stroke with reduced weight and friction as well as increased power and throttle response. Note that service intervals may be increased over conventional Wiseco Pistons. 2 Stroke Pro Lite Pistons feature lightweight forging for instant throttle response and maximum torque. Computer engineered