This kit will enable you to upgrade your Muncie front bearing to the much stronger & more durable USA Made 6307NR bearing OR a closed bearing made by Nachi (Japan). This will replace the narrower, less durable standard front bearing.
Fits all Muncie M20, M21, M22 transmissions, 1964-74. Does not fit 1963 Muncie.
Easy to install. Unit does not have to be disassembled to install.
Kit includes: Std is USA made open SKF 6307NR Brg. Upgrades include Japanese made Nachi sealed bearing, or USA Made Max Load SKF M6307NR Open bearing: Also, steel spacer ring, 2 gaskets & bolts. The bolts are not in the picture, but are included.