Idler gear conversion for straight cut drop gearsets only. This set up is for Pre A plus idler gearbox cases only and uses a roller bearing centrally unlike the old timken conversion which had taper bearings either end.
Achievable drop gear ratios when using our Evolution gears:
22 tooth primary - 30 tooth idler - 25 tooth input = 1.136-1
24 tooth primary - 30 tooth idler - 24 tooth input = 1.0-1
23 tooth primary - 30 tooth idler - 23 tooth input = 1.0-1
24 tooth primary - 30 tooth idler - 25 tooth input = 1.0416-1
23 tooth primary - 30 tooth idler - 24 tooth input = 1.0434-1
22 tooth primary - 30 tooth idler - 23 tooth input = 1.045-1
23 tooth primary - 30 tooth idler - 25 tooth input = 1.0869-1
22 tooth primary - 30 tooth idler - 24 tooth input = 1.09-1
24 tooth primary - 30 tooth idler - 23 tooth input = 0.958-1