Muncie "rock crusher" vs. TKO 600 - Pro-Touring.com
finally a show car transmission worthy of your ultimate show car vehicle: the m22! this iconic transmission is based upon the infamous "rock crusher" transmission made famous in the 60`s and 70`s by being installed in the l-88`s, big block 425 hp factory muscle cars and hot rods of the past.
Type Codes: A ~ M20, B ~ M21, C ~ M22 1964. Here is an example from a 1964 Chevelle from Fremont, CA. Note the H103065 stamped on the flange and the date is shown by the P1030 stamping in the upper right of this photo.