This listing is for a NEW OEM Arctic Cat snowmobile carburetor insolator. The part number for this part is 3000-150.
Looked the part number up online and found that this will fit the following machines, may fit others too
1974 CHEETAH 340 - CRANKCASE AND CYLINDER
1974 CHEETAH 340 CDI - CRANKCASE AND CYLINDER
1974 CHEETAH 440 - CRANKCASE AND CYLINDER
1974 PANTHER 340 - CRANKCASE AND CYLINDER
1974 PANTHER 440 - CRANKCASE AND CYLINDER
1974 VIP 440 - CRANKCASE AND CYLINDER
1973 Panther - CRANKCASE AND CYLINDER
1973 PUMA - CRANKCASE AND CYLINDER
1972 Cheetah - CRANKCASE & CYLINDER
1972 Panther - Crankcase and Cylinder (340, 400 & 440)
1972 Puma - Crankcase and Cylinder