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this a brand new supercase muncie rockcrusher style transmission. this is a beefy version of the original rock crusher transmission. most all the weak points of an original muncie have been solved by the super-case design. the supercase has extra casting in all the known weak areas.new design muncie rock crusher close ratio speed. this IS the m-22 transmission that GM could not build! newly designed state-of-the-art muncie front case from auto gear this is by far the best replacement aluminum case ever built for a muncie! the front bearing is a sealed bearing, and slightly thicker than the original muncies muncie 4-speed transmissions hemmings. the 2.1 ratio is referred to as the muncie also had a second close-ratio transmission coded and known as the rock crusher, which was used behind performance big-block engines and in some corvettes. these units are highly sought-after for performance applications. get pricemay 01, 2009 the rock crusher was the m-22 muncie close ratio speed transmission favored in the GM hot rods.well balanced, smooth shifting and
correct 1970 4-bolt hp block, 4-speed rock crusher muncie transmission and original crw 410 12-bolt posi-traction rear end. It also has a 6,500 rpm redline tachometer, bucket seats, console, cowl-induction hood and original SS rally wheels with wide-oval tires.correct 1970 4-bolt hp block, 4-speed rock crusher muncie transmission and original crw 410 12-bolt posi-traction rear end. It also has a 6,500 rpm redline tachometer, bucket seats, console, cowl-induction hood and original SS rally wheels with wide-oval tires.chevy muncie rock crusher speed transmission miles on rebuild sold at 1495 chevy gm general motors muncie rock crusher speed transmission miles on rebuild gear ratios 2.20 1.64 1.28 1.00 gear oil not even added yet selling from an unfinished project car should fit belair camaromuncie peed transmission muncie also had a second closeratio transmission coded and known as the rock crusher, which was used behind performance bigblock engines and in some corvettes these units are highly soughtafter for performance applications the term rock crusher refers to the noise made by the meshing of the stronger helical gears in the
the gear box is the source for muncie parts like the new assembled super rock crusher speed kit with micro super finish or downshift case support. the gear box transmissions loader-richmondrecent comments. steve cooke on muncie super duty super case 4-speed road or drag racing rock-crusher. march spring sale ON now!!! mark jones deltona florida on auto gear super case rock crusher 4-speed. perfect performance with 2.73 to 3.42 rear end gears. march spring sale ON now!!!product rating gear fits spd muncie rock crusher transmission wa. $51.50. buy It now $10.00 shipping. watchers. watch. muncie speed rock crusher gear kit input cluster idler gear. brand new. $395.00. buy It now. free shipping. watch.chevy transmissions: muncie rock crusher speeds were made from 1965 TO the most popular transmission of its time for high performance cars built for chevrolet and all performance oriented g.m cars. they have the same gear ratios as the legendary but with a heavy duty gearset.
jul 14, 2018 for sale is a factory replica of the close ratio muncie rock crusher four speed transmission typically used in high performance 1965 to 1974 corvettes, camaros, chevelles, novas, El caminos, impalas, oldsmobiles and pontiacs.. also included are hand fitted synchronizer sliders and hubs. the hand fitted slidershubs improves up and down shifting quality through all rpm ranges.