Universal 3 & 4 Speed Automatic Ratchet 80683 Shifter Assembly This is a preloaded unit

This is a preloaded unit allowing for a faster-reacting unit

The dual plane

Additional fittings may be required depending on your application

and have a maximum pressure of 7 psi with an externally accessible pressure relief valve

This crank support system is a must have for all small block chevy racers with a supercharger

Universal 3 & 4 Speed Automatic Ratchet 80683 Shifter Assembly This is a preloaded unitYou 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.