Snowmobile rear suspension

A snowmobile comprising:

• a frame, the frame having a tunnel;
• at least one ski operatively connected to the frame;
• a snowmobile rear suspension operatively connected to the tunnel, the snowmobile rear suspension comprising:
• a left slide rail;
• a right slide rail;
• a front suspension arm assembly pivotally connected to the left slide rail and the right slide rail;
• and
• a rear suspension arm assembly pivotally connected to the left slide rail and the right slide rail, the rear suspension arm assembly comprising:
• a left arm;
• a first lower left finger connected to a lower end of the left arm;
• a second lower left finger connected to the lower end of the left arm,
• the left slide rail being received laterally between the first lower left finger and the second lower left finger,
• the first lower left finger and the second lower left finger being pivotally connected to the left slide rail;
• a right arm;
• a first lower right finger connected to a lower end of the right arm;
• and
• a second lower right finger connected to the lower end of the right arm,
• the right slide rail being received laterally between the first lower right finger and the second lower right finger,
• the first lower right finger and the second lower right finger being pivotally connected to the right slide rail;
• an endless track provided around the snowmobile rear suspension;
• and
• a motor operatively connected to the endless track for driving the endless track.