M-22 Rock Crusher 4-Speed Transmissions by …
NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 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 …
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Muncie M22 4 Speed Transmission Rock Crusher Close Ratio …
Muncie M22 4 Speed Transmission, rock crusher heavy duty with all new gears, close ratio 2.20 1st gear, remanufactured with attention to detail and professional assembly, the case was cleaned and blueprinted to OEM specifications, 1" counter bore with proper leak free interference fit, new gears, synchronizers, bearing retainer, major overhaul kit, 10 spline input …
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Muncie M22 Rock Crusher 4 speed
Muncie M22 Rock Crusher 4 speed. Jump to Latest 31K views 6 replies 5 participants last post by 302 Z28 Aug 20, 2003. T. Turkey Discussion starter. 23 posts · Joined 2001 Add to quote; Only show this user #1 · Feb 22, 2003. Can someone tell me how much a muncie m22 rock crusher is worth this transmission was produced buy gm in 1966&1967 ...
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Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed.
STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 Forged Aluminum Mid …
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Muncie M22 4 Speed Transmission Rock Crusher Complete Package …
Find many great new & used options and get the best deals for Make OFFER - Muncie M22 4 Speed Transmission Rock Crusher Complete Package at the best online prices at eBay! Free shipping for many products!
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NEW Auto Gear Upgraded Ultra Case Muncie Heavy …
A great Super Heavy Duty 4-speed for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, 4th direct. Wide …
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Muncie 4-speed
The Saginaw 4-speed transmission was also used and shown for "M20 PROD V-8 ENG & R.P.O. L30". Easily identified by the reverse gear being on the main case instead of the tail housing. The proper Hurst Competition Plus system for a 1966-1967 Saginaw is shifter #3917307 and installation kit #3734297.
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Muncie 4 Speed Transmission for sale
Muncie M22 Rock Crusher 4 Speed 2.20 Close Ratio Transmission Driver Speedo. Opens in a new window or tab. Remanufactured. $2,400.00. Buy It Now +$150.00 delivery. 34 watchers. Sponsored. apollo_performance (1,315) . 1974 Muncie M21 HD 4 Speed Transmission Professional Restored 26/32 spline.
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Muncie 4-Speed: The Complete History
To understand the evolution of the Muncie 4-speed you have to look at a series of engineering platforms that led to the final design of this transmission. The Muncie design has roots going back to 1935. I took the time to research the patent …
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Muncie 4-Speed Identification Guide
Serial numbers for Muncie 4-speeds always begin with the letter "P," which stands for Muncie Plant (not "passenger car.") "M" and "N" were used to identify 3-speed Muncies; "O" identifies the Saginaw 3-speed with overdrive. Serial numbers from 1963 to 1966 included only the month and day. For example, P0101 indicates January 1.
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GENERAL MOTORS MUNCIE 4-SPEED MANUAL …
4-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) AUTO GEAR EQUIPMENT ... L26-s36T: M22 'Rock Crusher' (1963-70) 3925691 WT297-16U NOTE: these (4) gears used with 10 spline clutch. L21-s36T (1971-74) 3978772 AWT297-16C
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NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00
The Gear Box is the source for Muncie Parts like the new assembled M22 SUPER ROCK CRUSHER 4 speed kit with micro super finish or downshift case support.
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Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission
This a BRAND NEW SUPERCASE M22 4-Speed Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.
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Muncie four-speeds | The Online Automotive …
Muncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought …
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The Story of the Mighty & Majestic Muncie 4 Speed …
The Muncie 4 Speed came in 3 basic models… the M-20, M-21 & M-22. The Muncie M20 was a wide-ratio transmission and was intended for basic street drive-ability and basically for cruising your car . The first models had a 2.56:1 …
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Muncie M22 Rock Crusher 4 Speed Transmission for sale
Get the best deals for Muncie M22 Rock Crusher 4 Speed Transmission at eBay. We have a great online selection at the lowest prices with Fast & Free shipping on many items!
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Muncie 4-speed transmission information
The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. ... In addition, many GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 years, however an early version of the M-22 was available as early as 1965 in Corvettes. Proper identification of the transmission ...
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Shop
RACING Muncie Slick Shift Clutch-less Super Duty M23 Upgraded Ultra Case 4-speed Drag Racing Rock-Crusher. 2025 Spring SALE!!! Rated 5.00 out of 5 $ 4,249.00 Original price was: $ 4,249.00. $ 3,949.00 Current price is: $ 3,949.00. Add to cart. Rebuild and Re-gear Service Available! Contact Jeff for details.
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How to Identify a Muncie Four Speed
There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that was offered on some of the high-performance big-block models, starting with the 1965 Corvette.
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Muncie 4 Speed Transmissions
The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the same gear ratios as the M21 but with a heavy duty gearset. The reason you may ask? Well it wasn't designed so that you could go drag racing on Saturday night or impress in front of Burger King by doing massive hole shots.
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Guide to Muncie M20, M21, and M22 Four-Speed Transmissions
The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. ... The Summit Performance 4-Speed shifter (PN SUM-700040) is a bolt-on swap ...
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M-22 "rock crusher"
70 chevelle, SS clone 454 4 speed 3.31 12 bolt posi 71 camaro. (owned since 1978!) 454-th400 3.07 12 bolt ... ONLY AND ALL M22 MUNCIES ARE CALLED ROCK CRUSHER! For folks who may not be familiar with the …
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How to Identify a M22 Rock Crusher
An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly. You can identify several unique signs that identify an M-22 "Rock Crusher," even if it does ...
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American Chevy Muncie – M20, M21, M22 | Allstate Gear
This makes the M20 much stronger than the Saginaw or T10. The 4-speed Muncie came in three versions. Both the wide-ratio M20 and close-ratio M21 debuted in 1963 in the Corvette. The M22 "Rock Crusher" followed four years later. It uses stronger components to handle big-block power. The original M20 was only offered for one year.
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Muncie 4 Speed Transmissions And Rebuild Kits
RACING Muncie Slick Shift Clutch-less Super Duty M23 Upgraded Ultra Case 4-speed Drag Racing Rock-Crusher. 2025 Spring SALE!!! $ 4,249.00 Original price was: $ 4,249.00. $ 3,949.00 Current price is: $ 3,949.00.
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The Rarest Muscle Car Transmission In The '60s
General Motors used the M22 Rock Crusher 4-Speed gearbox in various high-performance muscle and sports cars between 1966 and 1974. These include the Chevrolet Corvette from 1967 to 1974, the ...
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1967
GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Chevelles and Novas. This one will have the studs coming out from the side where your shifter linkage mounts. This is the Muncie M-22 Rockcrusher four speed. Designed for the highest performance models.
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