Fits: Polaris RZR Trail S 900 : 2021+ Super ATVs Complete Geared-Reverse Transmission is a major upgrade for your Polaris RZR Trail S 900. It replaces the weak stock reverse chain with a geared reverse thats 3x stronger and includes upgraded pinion and snorkel gears (2.5x stronger), a reinforced 6 mm bearing retainer, and a beefed-up cast aluminum case with improved cooling. It also eliminates turf mode for added durability and offers optional gear reductions (12.5%, 25%, or 37.5%) to restore torque lost to big tires and heavy mods - no machine modifications needed.
Features: Complete, assembled, drop-in, Turbo-style transmission Hob-cut, heat-treated, ground gears ensure perfect mesh Geared reverse 3x stronger than stock Extremely durable Upgraded snorkel gear set Pinion shaft and gears made with 9310 heavy-duty steel Front output shaft made with 300M 2.5x stronger than stock Precision ground gears are mated perfectly for less wear and smoother operation Eliminates a major weak spot in the transmission Strengthens the entire drivetrain Upgraded transmission case More support ribs and gussets than stock Extra fins help keep your transmission cool More metal reinforcing the snorkel tube and axle output areas Includes all necessary seals No turf mode Multiple gear reductions available: Stock gear reduction 12.5% gear reduction 25% gear reduction 37.5% gear reduction available in several applications Refer to your owner's manual for oil requirements .
