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Complete overhaul kit for Muncie 4 speed transmissions

Must specify if your transmission has a 1" or 7/8" cluster shaft (pin)

7/8" kit comes with NON stepped synchronizer rings

Please scroll down to order extras (cluster pin, wrench,sliders etc) 

From $144.30

The ultimate Master rebuild kit for Muncie transmissions!  

Only high quality parts in kit.

NOTE: This kit no longer includes the front bearing up grade kit. Please order separately.  

From $253.05

Heavy Duty Competition overhaul kit for Muncie 4 speed transmissions, 1966-1974.

1966-1974 Muncies have a 1 inch cluster shaft.

Please scroll down for extras (input nut wrench, cluster pin, synchronizer sliders etc)

From $207.25

This is a complete gasket, seal and bushing kit for all Muncie trasmissions, 1963-1974 with 32 spline. Everything is included to reseal a leaking transmission.

Also available gasket set without bushing and seals as pat number 18-455-103

From $19.95

This is a complete gasket, seal and bushing kit for all Muncie trasmissions, 1963-1974 with 27 spline. Everything is included to reseal a leaking transmission.

$25.00

Complete Muncie gasket set for all Muncie transmissions.

From $19.95

This is the all new, redesigned replacement case for all Muncie M20, M21 & M22 transmissions 1963-74. Please specify pin size when order, and if you want Hardened front Thrust Button .

NOTE:IF YOU HAVE A '63 MODEL CALL BEFORE ORDERING. some 63 models use a smaller front bearing that will not fit this case

Just added NEW GM OE style cases casting number (3925660) 1968-70 1" style

From $414.27

This is an all new, re-designed Muncie aftermarket tailhousing manufactured by Auto Gear.

From $351.88

Muncie Billet Aluminuml Midplate. Will fit all Muncie transmissions, 1963 - 1974, M20, M21, M22.

$142.87

Muncie bushed side cover kit. Superior quality over the original OEM side cover. 

Available as 

AUTO GEAR

OR

HD BILLET ALUMINUM 

From $165.28

Muncie synchronizer / blocker ring 

WT297-14       63-65 early

WT297-14A     66-74 late

WT297-14D     66-74 late model FORGED ring used with late model hub

From $8.37

Front nut wrench-is designed to ensure proper tightening of the front retaining nut on all Muncie M20, M21 & M22 transmissions.

$18.95

Muncie front retaining nut for all 1963-74 Muncie transmissions, M20, M21 & M22.

$8.88

Fits all Muncie transmissions with 7/8" or 1" cluster pin. You must specify which pin you need when purchasing.

From $24.95

EXTRA LONG PIN TO FIT FLUSH WITH FRONT OF CASE

$31.50

Muncie shift fork for all Muncie transmissions, M20, M21, M22.

From $29.04

Muncie Reverse Shift fork fits all Muncie transmissions, 1963-74, M20, M21 & M22.

$24.45

Muncie front bearing retainer for all Muncie transmissions, M20, M21, M22.

$26.00

$123.56

Front bearing retainer spacer will allow you to use a standard 4-13/16" front bearing retainer and space it to work in a 5 1/8" truck style bell housing. Use JB Weld or Loctite to hold in place.

$29.67

Cluster gear bearing kit will fit all Muncie transmissions with a 1" cluster shaft.

$29.00

Front or rear bearing for all Muncie transmissions, 1963-74.

From $23.20

This kit will enable you to upgrade your Muncie front bearing to the much stronger & more durable USA Made 6307NR bearing, Japanese made Nachi sealed bearing or American Max Load Open Bearing. This will replace the narrower, less durable standard front bearing that came originally in this trans.

From $42.95

Caged Pocket bearing with 17 rollers for all 1963-74 Muncie transmissions, M20, M21 & M22.

From $12.37

Slider for all Muncie M20, M21 & M22 transmissions, 1963-1974.

$65.00

Muncie torque loc sliders, Italian made. Made off OE blueprints.

$59.82

Torque lock slider for all Muncie transmissions, M20, M21, M22, 1963-1974.

$39.95

Slider is a competition, race designed slider.

$125.73

Muncie synchronizer hubs for the 1-2 or the 3-4 synchronizer. 

From $32.50

MUNCIE 1/2 HUB AND SLIDER SET (NON TORQUE LOCK) LESS RINGS, KEYS, SPRINGS

MUST USE LATE (STEPED) RINGS

$85.00

MUNCIE 3/4 STANDARD HUB AND  SLIDER KIT (NON TORQUE LOCK) LESS KEYS, SPRINGS, RINGS

MUST USE LATE (STEPED) RINGS

$85.00

Muncie synchronizer assembly fits all Muncie transmissions, 1963 - 1974, M20, M21 & M22. 

From $77.12

Muncie front bearing oil slinger.

$3.95

Fits all Muncie transmissions, 1964-74 M20, M21, & M22. Auto Gear USA made or South Korean made.

This is an upgraded designed sleeve that provides better lubrication between the gear and the bushing.

From $30.00

Muncie 1st gear with 36 teeth fits all M20 & M 21 Muncie transmissions 1964-74.

From $82.00

1st gear with 36 teeth for all Muncie M22 close ratio transmissions.

From $109.00

Rollerized 1st gear, 36 tooth, for Muncie M22 transmissions, 1964-74. A rollerized 1st gear is a must in high load and high speed applications, such as road racing or circle track racing.
Does not fit Muncie M20 or M21. 

$155.00

Muncie 2nd gear with 30 teeth. Fits all M20 & M21 muncie transmissions.

From $76.07

2nd gear with 30 teeth for all Muncie M22 close ratio transmissions.

From $93.70

Muncie 3rd gear with 27 teeth fits all M20 & M21 muncie transmissions.

From $63.97

3rd gear with 27 teeth for all Muncie M22 close ratio transmissions.

From $90.60

Input / main drive with 10 spline for Muncie M20 or M21 transmissions.

Please specify which input you need when placing your order.

From $86.00

Input shaft for the Muncie M22 transmission. Available in either 10 or 26 spline.  9310 Steel

MUST CHECK TOOTH COUNTS

From $102.76

$22.80

Muncie cluster gear for 1963-65 (7/8" cluster pin) or 1966-74 (1" cluster pin) Muncie either M20 or M21.  

From $157.00

New Muncie M20 2.52 Wide Ratio OR M21 2.20 close ratio gear set.

M20 gearset also available in Italian 

From $419.00

New Muncie M22 2.20 close ratio,  2.52 wide ratio, or NEW 2.98  'Z' Ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. 

You must select whether you need a wide or close ratio & which input spline count, 10 or 26.

From $540.00

New Muncie Mainshaft 27 spline.

From $175.62

New Muncie Mainshaft 32 spline. Korean.

or,

new High-Strength, rifle-drilled/lightened 32 spline shaft with improved oil supply machining.

From $189.67

Muncie Reverse Idler Shaft fits all 1963-74 M20, M21, M22 transmissions.

$18.98

Muncie reverse and idler gear set or individual gears. 

From $54.00

Muncie M20, M21 18 tooth front idler. WT297-10

Muncie M22 18 tooth front idler WT 297-10B

From $42.70

Muncie shift lever for reverse

$51.37

Muncie shift lever for 1-2 or 3-4.

THESE ARE AUTO GEAR 1 (ONE) PIECE LEVERS

$89.70

$3.56

Muncie detent lever pivot pin will fit all Muncie transmissions, 1963-74 M20, M21, M22.

Replacement part allows you to correct & replace the early non retained side cover pivot pin. Also is a replacement for the later shouldered pin.

$8.78

Muncie detent levers (2) fits all Muncie transmissions, 1963-74 M20, M21, M22.

$19.50

Heavy duty detent lever spring for all Muncie transmissions, 1963-74, M20, M21, M22.

$3.80

Ball & spring for Muncie reverse lever detent.

Ball part #453593

Spring part # 3773017

$4.85

Muncie bolt kit includes all bolts for Muncie transmissions. 21 bolts are included.

• side cover bolts
• tailhousing bolts
• front bearing retainer bolts for early & late applications

$13.49

Pair of french locks for the front of all Muncie transmission that secure the four front bearing retainer bolts.

$3.99

$41.00

Synchronizer key & spring set for all Muncie transmissions. Includes 3 keys & 2 springs.

$4.75

Muncie reverse lever tapered pin for retaining reverse lever shaft & tailhousing.

$1.79

Small parts kit for 1963-65 or 1966-74 Muncie transmissions.

From $23.59

EXTERNAL SMALL PARTS WITH KEYS AND SPRINGS

$28.61

Tailhousing bushing for 27 or 32 spline Muncie transmissions.

From $5.25

One side cover seal for all Muncie transmissions.

$2.80

Rear Seal for 27 or 32 spline Muncie transmissions.

From $3.25

Upgraded Steel Bushings & Linkage Clips for Muncie, T10, Super T10 & Toploader transmissions.

$14.75

Solid steel speedo housing comes with seal and O ring.

$9.95

Tab & bolt for GM Speedo housing. Fits T5, T10, Super T10, Saginaw, Muncie GM applications. Includes metric & American bolt, depending on application.

$4.50

Speedo gear clip for Muncie transmissions with plastic drive gear.

$2.50

Muncie steel drive gear with 7 OR 8 teeth. Will fit either the 27 spline or 32 spline output shaft.

From $31.29

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

 Assembly Lube for all  manual transmissions. Lubricates and holds needle bearings & thrust washers during assembly. Remains smooth and blends with all  manual transmission fluids. One pound tub.

NOTE: (TRANSJEL) IS NOW ASEMBLEE GOO  BLUE NOT RED AS IN PICTURE

$17.95

GL-4 GEAR OIL

From $11.25

$8.72

Drain/ Fill Plud, w/ Magnet

$6.54

close ratio  cluster gear for Muncie M22 transmissions. 

From $169.00