Muncie 4 Speed Transmission

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Muncie Overhaul Kit 1966-74
Muncie Overhaul Kit 1966-74
Complete overhaul kit for Muncie 4 speed transmissions, 1966-1974.

$101.95

Muncie Overhaul Kit with Wrench 1966-74
Muncie Overhaul Kit with Wrench 1966-74
Complete overhaul kit & Front retaining nut wrench for Muncie 4 speed transmissions, 1966-1974.

$116.95

Muncie Overhaul Kit 1966-74 with Cluster Pin
Muncie Overhaul Kit 1966-74 with Cluster Pin
Muncie 66-74 overhaul kit with cluster pin.

$117.95

Muncie Kit 1966-74 with Nut Wrench & Cluster Pin
Muncie Kit 1966-74 with Nut Wrench & Cluster Pin
Muncie 66-74 overhaul kit with input nut wrench and cluster pin.

$130.95

Muncie Overhaul Kit 1963-65
Complete overhaul kit for Muncie 4 speed transmissions, 1963-1965.

$112.95

Muncie Overhaul Kit with Wrench 1963-65
Muncie Overhaul Kit with Wrench 1963-65
Complete overhaul kit & Front retaining nut wrench for Muncie 4 speed transmissions, 1963-1965.

$128.95

Muncie Overhaul Kit 1963-65 with Cluster Pin
Muncie overhaul kit 1963-65 with cluster pin

$130.95

Muncie Kit 1963-65 with Cluster Pin and Nut Wrench
Muncie overhual kit 1963-65 with cluster pin and front retaining nut wrench.

$143.95

Muncie Front Bearing Upgrade Kit
Muncie Front Bearing Upgrade Kit
This kit will enable you to upgrade your Muncie front bearing to the much stronger & more durable  USA Made M6307NR Max bearing. This will replace the narrower, less durable standard front bearing.

$34.95

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

$16.95

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

$18.95

Muncie Steel Speedo Drive Gear
Muncie Steel Speedo Drive Gear
Muncie steel drive gear with 8 teeth. Will fit either the 27 spline or 32 spline output shaft.

$21.95

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

$26.95

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

$27.95

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

$30.95

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

$30.95

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

$71.95

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

$77.00

Muncie Rollerized 1st Gear
Muncie Rollerized 1st Gear
Rollerized 1st gear, 36 tooth, for Muncie M20 & M21 transmissions, 1964-74.

$141.00

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

$78.95

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

$74.95

Muncie Cluster Gear
Muncie Cluster Gear
Muncie cluster gear for 1966-74 Muncie M21 with a 1" cluster pin.

$129.00

Muncie Input / Main Drive M20 M21
Muncie Input / Main Drive M20 M21
Input / main drive with 10 spline for Muncie M20 or M21 transmissions. Please specify which input you need when placing your order.

$95.00

Muncie M22 Rockcrusher Gear Set
Muncie M22 Rockcrusher Gear Set

New Muncie M22 (2.20 close ratio), Rockcrusher gear set with either a 10 or 26 spline input. You must specify which spline count you need. Fits all Muncie applications with 1" countershaft pin, 1966-74.


$535.00

Muncie Mainshaft 27 Spline
Muncie Mainshaft 27 Spline

New Muncie Mainshaft 27 spline.


$149.00

Muncie Mainshaft 32 Spline
Muncie Mainshaft 32 Spline

New Muncie Mainshaft 32 spline.


$159.00

Muncie Reverse Gear & Idler Gear
Muncie Reverse Gear & Idler Gear
Muncie reverse gear and idler gear set. Fits all Muncie transmissions, 1963 - 1974, M20, M21, M22.

$112.95

Muncie Mid Plate
Muncie Mid Plate

Muncie Steel midplate. Will fit all Muncie transmissions, 1963 - 1974, M20, M21, M22.


$55.95

Muncie Tailhousing 27 or 32 spline
Muncie Tailhousing 27 or 32 spline
This is an all new, re-designed Muncie aftermarket tailhousing manufactured by Auto Gear.

$165.95

Muncie Super Case
Muncie Super Case
This is the all new, redesigned replacement case for all Muncie M20, M21 & M22 transmissions 1963-74. Please specify pin size when ordering.

$248.95

Gasket Seal Bushing Kit 27 spline
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.

$13.50

Gasket Seal Bushing Kit 32 spline
Gasket Seal Bushing Kit 32 spline
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.

$16.00

Speedometer Housing
Speedometer Housing
Solid steel speedo housing comes with seal and O ring.

$6.95

Speedometer Driven Gears
Speedometer Driven Gears

New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions.


$11.00

TransJel Transmission Assembly Lube
TransJel Transmission Assembly Lube

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


$6.39

The Gear Box, 31759 Block, Bldg. C, Garden City, MI 48135 * Phone 734-793-0727 * Fax 734-793-0729