Description
Sequential shift to suit the M20. M21,M22 Muncie box.
The shift pattern is 1234 with a neutral between in each gear, in this way you can easily drop it out of 4th to neutral to roll it out after a run and its impossible to accidentally get neutral if you attempt to down shift from first.
To keep things simple and reliable reverse is selected with a second independent lever.
There is 2 lever options available, straight or laid back and the throw is 70mm / 2.75 inches
All fitting components are included with each shifter including the shift arms, push rods and shift knob, We have an optional gear indicator and sensor available.
Fitment instructions can be found here https://s1sequential.com/wp-content/uploads/2025/08/4-speed-toploader-101-muncie-instructions.pdf
There are multiple rear housings on muncie trasnmissions, this shifter will fit all Muncie that have a measurment from the front of the housing to the front upper most mounting hole for the shifter of 410mm. This shifter was designed around the 3831731 rear housing although others will be compatable, there is a some great information about muncie gearbox types at https://thecorvettesociety.com/CS/2023/04/27/guide-to-muncie-m20-m21-and-m22-four-speed-transmissions/
