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Frostbite FB522H
Frostbite High Performance Fan/Shroud Package; Frostbite Fan/Shroud Pkg - High Performance Series 2 x 14 Fan - fits FB165, FB166, FB167, and FB305 radiators
Frostbite FB523H
Frostbite High Performance Fan/Shroud Package; Frostbite Fan/Shroud Pkg - High Performance Series 2x12 Fan - fit FB188, FB189, FB190, and FB303
Frostbite FB522E
Frostbite Economy Fan/Shroud Package; Frostbite Fan/Shroud Pkg - Economy Series 2x14 fans - fits FB165, FB166, FB167, and FB305 radiators