This gearbox will fit all of the 3-cylinder Yamaha and Arctic Cat snowmobile engines. Includes complete kit to mount.

Three gear ratios are available: 4.01:1, 3.45:1, and 2.85

** New Gear Box Installs will REQUIRE (2) oil changes in the first four hours of run time.**

Next batch of Gear Boxes is expected to ship approximately 3/25/26. Orders will be processed in the order payment was received.