Ski-Doo New OEM Pilot 5.7 BLACK Lightweight Trail PAIR LH/RH 505072942,505072943 Brand new, genuine Ski-Doo Pilot 5.7 Ski Set (pair), LH & RH (left & right hand). Lightweight ski with incorporated plastic bridge provides virtually effortless steering at low speeds, thanks to single carbide contact with the ground that doesn't compromise adequate and constant grip. Carbide runners sold separately. The use of agressive skis, ski carbide runners, or studs will alter the handling of your snowmobile, particularly in terms of manouverability, acceleration, and braking. Please refer to your operator's guide for more details.