Polaris RZR Trail S 900 Complete Heavy-Duty Transmission

Fits:
Polaris RZR Trail S 900 : 2021+ Super ATV’s Complete Heavy-Duty Transmission for the Polaris RZR Trail S 900 is a major upgrade over stock, built to handle aggressive riding and tough terrain. It features a double-strength reverse chain, precision-lapped 9310 alloy steel gears, and a 300M front output shaft for smooth, durable performance. A reinforced pinion bearing retainer and a transmission case with 68% more metal in high-stress areas provide unmatched strength and reliability. Multiple gear reduction options (stock, 12.5%, 25%, 37.5%) let you customize torque for any ride style or terrain. Features:

Complete, assembled, drop-in transmission

Built to order and thoroughly tested

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

Lapped gears are mated perfectly for less wear and smoother operation

Strengthens the entire drivetrain

Upgraded reverse chain

2x stronger than stock

Quieter than the competition

Upgraded transmission case
-More support ribs and gussets than stock
-Extra fins help keep your transmission cool
-68% more metal reinforcing the snorkel tube and axle output areas

Multiple gear reductions available

Stock gear reduction

12.5% gear reduction

25% gear reduction

37.5% gear reduction .