Universal 3 & 4 Speed Automatic Ratchet 80683 Shifter Assembly We control the entire machining

We control the entire machining process and use only premium materials

The impeller and cavity have been custom CAD designed and engineered to be larger and more efficient to provide flow that is 40 percent greater than stock pump

The oil pan helps to cool the oil thru its contact with the outside air

They will mount anywhere in the engine to eliminate any clearance issues

You cannot over-shift and miss a gear with Speedmaster automatic shifter

Universal 3 & 4 Speed Automatic Ratchet 80683 Shifter Assembly We control the entire machiningYou cannot over shift and miss a gear with Speedmaster automatic shifter. The shifter includes a lighted gear position indicator in the bezel, a micro switch for back up lights and a neutral safety switch preventing accidental starts when in gear.