JIMS® "Fat 5 Overdrive" is the strongest, toughest gearbox made, period. A new compact shifter increases the width and strength of every gear from 18% to 53%. Fat Gear complete transmissions are shipped as a complete assembly installed in a case without pulley. Modifications may be needed for the exhaust bracket. Oil filler spout may be necessary. Ask your MC Advantages sales rep about JIMS "Fat 5 Overdrive" Superkit gearclusters for installation into an existing tranny case.
