Description Machined hardened steel gears for F/S/CK3/Rev/XP/XM/XS/ZX Ski-Doo sleds. Standard REV XP is 13 Wide. Available in 11, 13 and 15 wide, these gears are several times stronger than stock. 11 Wide = 1/2″ Width 13 Wide = 5/8″ Width 15 Wide = 3/4″ Width
