Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission

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PART NUMBER: TRA-750

Gear Ratio

Choose Your Gear Ratio*:

Input Shaft

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Choose Your Input Spline*:

Output Shaft

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Choose Your Output Spline*:

***Discontinued***

Description

Technical Specs

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission

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. The tail housing has also been beefed up. Each new SuperCase transmission is built from the highest quality available. Includes all the goodies: SuperCase, gear ratio choice, heavy-duty set with a oilite bushed side cover. Ready to be filled, install and it's available at a great price.

New THRUST BUTTON Super Case included!

GEARS BY ANTONIO MASIEROSYNCHRONIZERS BY EURORICAMBI
Direct fit replacement
Multiple ratios to choose from
New design case handles higher torque
Straight cut reverse gears
Involute Mainshaft Splines
Lashless Synchronizer Hub fitting
Improved intermediate journals
Improved 2/3 lubrication

All New. No Core Required!
Complete, Ready to Fill with Gear Oil and then Install. GL-4 GO-80W-9 is Recommended, Sold Separately.
Includes a 1-year / 10,000mile Warranty on Parts Defects and Assembly.

Complete New M22 SuperCase Transimissions include legendary Italian gears and shafts by Masiero, synchronizers by Euroricambi and Auto Gear's own thrust-button SuperCase, aircraft grade aluminum, 'Oilite'-bushed shift cover, improved tailhousing and investment-cast steel shift forks. Correct fit for all 1969 - 1973 model Chevelles and Novas. Gearboxes come packed in a custom wooden crate.

***This trans will have the holes on the side-plate where bolts secure the shifter linkage levers (69-73 style).

MUST CHOOSE GEAR RATIO AND SHAFTS:

Gear Ratio Choices:

Z RATIO (1st-2.984, 2nd-2.043, 3rd-1.468, 4th-1.00)
W RATIO (1st-2.559, 2nd-1.752, 3rd-1.366, 4th-1.00) Pair it with a faster axle, say a 3.54 for street or a 4.11 for the strip
X RATIO (1st-2.199, 2nd-1.506, 3rd-1.174, 4th-1.00) For road racing and tracks

Shaft Choices:

10 or 26 Input Spline
27 or 32 output Spline

Rear Gear Ratio and Tire Height Information Needed. Please supply the information on the Order Notes:

We need your Rear Gear Ratio and your Tire Height to get correct speedo gears installed in your new transmission.
Speedo Cable Bullet / Housing installed, RH Passenger Side Only
Speedo Cable Gear Installed

Note: Special order, must be prepaid. Non-returnable. Non-refundable. Please allow around 4 weeks for your transmission to be built. Oversize 2 / Heavy Weight Ground.

*Please double check your clutch and pressure plate set to match below
69 - 70 models M-22 ~ Input Shaft = Coarse 10 Spline with 27 Spline Tail
71 - 73 models M-22 ~ Input Shaft = Fine 26 Spline and 32 Spline Tail Shaft

***Note: This Transmission is shipped factory direct. Shipping charges will apply for all in-store pickups and show deliveries. Currently the build times are running 6-8 weeks, please plan accordingly.

PART NUMBER: TRA-750