Built for the winch user that want more speed, these gears change the 2^nd ratio in the winch, replacing the GP7548 and the top housing mid gear. Changing the GP7548 from 67 to 61 teeth and the Top housing mid gear from 11 to 21 teeth.

The NEW Hellfire gears are made from our usual heat treated EN36 steel, and offer the following speed increases when using a standard GP mainshaft:

Standard ratios                        Fitted with Hellfire gears

+ 00%    133.28:1                      Becomes +55%   59.39:1

+ 15%    115.41:1                      Becomes +61%   51.43:1

+ 25%    100.94:1                      Becomes +66%   44.98:1

+ 40%      83.75:1                      Becomes +72%   37.32:1

+ 50%      66.56:1                      Becomes +78%   29.66:1

+ 60%      53.68:1                      Becomes +82%   23.92:1

The NEW Hellfire gears offer the following speed increases when combined with the Hurricane gears:

Standard GP100 ratios           Fitted with Hurricane and Hellfire                                                        gears

+ 00%    133.28:1                      Becomes +69%   40.92:1
+ 15%    115.41:1                      Becomes +73%   35.43:1
+ 25%    100.94:1                      Becomes +77%   30.99:1
+ 40%      83.75:1                      Becomes +81%   25.71:1
+ 50%      66.56:1                      Becomes +85%   20.43:1
+ 60%      53.68:1                      Becomes +88%   16.48:1

Please note: The new Hellfire gears will not fit GP80 winches. Only compatible with current style GP100 Twin Motor Top Housings.