Upgraded Torque Lock Synchro Sleeve 1-2 And 3-4 For Muncie M20, M21, M22 Transmissions

Rebuilding a Muncie four-speed?

Don't settle for sloppy shifts.

This upgraded torque lock synchro sleeve set from Platinum Drivetrain covers both the 1-2 and 3-4 gears and is designed specifically for Muncie M20, M21, and M22 transmissions.

The torque lock design gives you a more positive engagement and helps prevent those missed shifts that can ruin your day at the track or on the street.

It's a direct replacement part, brand new, and comes with a 1-year warranty.

Whether you're building a hot rod, a muscle car, or just refreshing an old gearbox, these sleeves are a must-have for a crisp, reliable shift.

Get your Muncie shifting like it should.