This a BRAND NEW SUPERCASE M22 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. The mid plate is aircraft grade aluminum.

Chevy Transmissions: Muncie M22 "Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it's time for high performance cars built for Chevrolet and all performance oriented G.M …

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. ... MUNCIE M22 ROCK CRUSHER $ 0.00 COST $ 1,895.00 WITH DRIVERS SIDE SPEEDO AND $1,995 WITH …

How to Identify Muncie 4 Speed Transmissions. ... Since they used a dummy car for inside dialog shots you miss the flavor of the M22 in that flick. The dead 2.20 first gear ratio which is the same in the M21 is not …

 — The Muncie was used with most performance General Motors engines. ... (M20) and the close-ratio (M21). There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that was ...

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. The Gear Box Transmissions. Muncie-Tremec-Saginaw-TKO-Top Loader-Richmond ... Muncie Parts > NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. NEW Muncie M22 …

The 1965 M22 maintained the 10-spline input and 27-spline output as all other Muncie transmissions from that model year.The 1965 M22 also had the drain plug boss drilled and tapped for a magnetic drain plug. This …

 — On the left is the M20 countershaft and 10-spline input shaft. In the middle is the M21 countershaft and input shaft. On the far right is the M22 26-spline input shaft. In the 1970s, virtually all Muncie four-speeds had 26-spline input shafts. 8. The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity.

Professionally Built UNSTAMPED 68-70 Muncie M22 Rock Crusher 4 Speed Close Ratio. Opens in a new window or tab. Remanufactured. 5.0 out of 5 stars. 7 product ratings - Professionally Built UNSTAMPED 68-70 Muncie M22 Rock Crusher 4 Speed Close Ratio. $2,800.00. Buy It Now +$150.00 shipping. 31 watchers.

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 …

 — Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide-ratio M20, the close ...

 — The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke.

 — I have a suspicion that rock crusher may have first been used in a late-1960s auto magazine test drive, but was hoping the historians in this group might be able to narrow it down. ... OF THE SAME ERA (ie 66-7, 68-9, 70-74) ALLLLLLLLLLLL Muncie cases had the SAME casting number, REGARDLESS if it was an M20 or an M21 or an …

 — By the time the Muncie was in its final phase of production (1971-1974) it also gained a 32 spline output shaft in place of the original 27 spline unit. Wide, Close, or Rock Crusher Initially there were two specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear).

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 Muncie four-speed was used in a wide range of GM products through the 60s and 70s. However, the Rock Crusher was only equipped in cars that had high ...

 — ORIGINALLY, in the beginning of the Muncie evolution, there was the M20(wide ratio) and the M21(close ratio). A VERY, VERY, VERY few Heavy Duty, close ratio Muncies were specially built for severe duty service (such as for the 425hp/396 Corvettes) in 1965. THEY WERE NOT CALLED M22 IN 65-----they were simply a Heavy …

 — The owner said he used to race it. Unlikely as it seemed, I bought it because it was in very nice shape. Upon getting into the restoration I noticed he had an M21 bellhousing attached to a muncie 4 speed. i called him and asked him if he knew what kind of Muncie it was, he steadfastly said it was an M22 Rock Crusher.

 — Muncie Manuals. The Muncie four-speed transmission was heralded by many as an "indestructible" four speed used by General Motors, and found its way into many different car models, behind …

1967 - 1968 Muncie 4 Speed Transmission, M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Camaros. This one will have the studs coming out from the side where your shifter linkage mounts, like pictured. This is the Muncie M-22 Rockcrusher four speed.

 — Muncie M22 Rock Crusher Is The Rarest 1960s Muscle Car Transmission In the 1960s, the rarest muscle car transmission was the M22 'Rock Crusher' 4-speed manual gearbox. While it is not well documented, it is estimated that between 1966 and 1974, only 500 to 1200 cars were equipped with the M22 Rock Crusher transmission, making it rare.

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 …

We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions. ... Garry Brown on Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. SALE EXTENDED!!! Michael wilhelm on …

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 not have a GM …

 — The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022

1972 M22 P2T03C 3925661 Rock Crusher Muncie 4 Speed Transmission Case Dec 3rd. Opens in a new window or tab. Pre-Owned. $549.99. or Best Offer. Free local pickup. 13 …

 — Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification codes, I found a perfect match. ... Since the Muncie transmission plant did most of their own prototype work, they had a ...

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 …

Pro Street, Road Race and Gasser. Limited Production!!! SALE EXTENDED!!! $ 3,949.00 $ 3,649.00 Add to cart. Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. …

 — Muncie Manuals. The Muncie four-speed transmission was heralded by many as an "indestructible" four speed used by General Motors, and found its way into many different car models, behind …

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. No Price Muncie Overhaul Kit. Complete overhaul kit for Muncie 4 speed transmissions. ... New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. From $18.00 .