The Gear Box Transmissions, LLC.
Super T10

Super T10 Overhaul Kit

Complete overhaul kit for Borg Warner Super T10 Transmissions.


Super T10 small parts kit


T10 / Super T10 synchronizer / blocker ring

Synchronizer / blocker ring for all T10 and Super T10 transmissions


Super T10 Front seal , Rear seal, side cover seals , reverse selector lever o-ring . Borg Warner / Richmond

From $0.75

Super T10 Cluster Pin 1"

Super T10 1" cluster pin fits all Super T10 transmissions.


Super T10 Shift Fork

This is a new OEM equivalent replacement shift fork. 

From $22.00

Super T10 Torque Lock Slider

Super T10 torque lock slider (1). Will work in all Super T10 transmissions.


Super T10 Synchronizer Hub

Synchronizer Hub for T10 or Super T10 transmissions.

You must specify if you want the 1-2 or 3-4 hub.

From $45.50

T10 / Super T10 Synchronizer Assembly

Synchronizer assembly for Super T10 & AMC T10 transmissions.

From $76.58

Super T10 Front Bearing Retainer

Super T10 Front bearing retainer for all GM super t10 transmissions.


Super T10 Front Bearing Retainer for 5 1/8" Truck style bell

Super T10 front bearing retainer for large hole 5 1/8" truck style bellhousing.


Super T10 1st Gear 34 tooth

1st gear with 34 teeth for Super T10's with 2.43, 2.64 & 2.88 ratio gear set.


Super T10 & Nash Overdrive 4+3 1st Gear Bushing

Super T10 1st gear bushing.


Super T10 2nd Gear 25 tooth

Super T10 2nd gear with 25 teeth, fits all Super T10 transmissions.


Super T10 3rd gear 21 or 22 tooth

3rd gear with 22 teeth for Super T10's with 2.43 & 2.64 ratio gear set


3rd gear with 21 teeth for Super T10 with 2.88 ratio.

From $79.56

Super T10 Reverse Gear 39 tooth

Super T10 Reverse gear w/ 39 teeth. Fits all Super T10 Transmissions, 1974 - 1988.


Super T10 / T10 Reverse Idler Shaft

Reverse Idler shaft for all T10 & Super T10 transmissions.


Super T10 / T10 Reverse Idler Gear

Reverse idler gear with 19 teeth fits Super T10's from 1974-79 with thrust washer and all T10's 1957-1964.

Does not fit Super T10's that utilize the thrust bearing.


Super T10 Input / Main Drive 2.88 2.64 or 2.43

Input / Main drive for Super T10's with:

20 tooth, 2.64 ratio gear set - OEM equivalent part.

21 tooth, 2.43 ratio - OEM equivalent part.


19 tooth 2.88 ratio - OEM Richmond, 2.88 ratio only.

You must specify which input you need.

From $79.00

Front and rear bearing SKF USA Made Max Load Bearing


GM Pilot Bushing


Super T10 Cluster Gear

New OEM equivalent replacement cluster gear for all Super T10 transmissions.

From $150.00

Super T10 Mainshaft 32 spline

Super T10 Mainshaft, 32 spline. Fits all Borg Warner & Richmond Super T10 transmissions with a 32 spline output.


Super T10 Tail Housing / Extension Housing

New Super T10 Richmond tail housing. Seal & bushing included.


Seal Gasket Bushing Kit Super T10
This is a complete seal, gasket & bushing kit for all Super T10 transmissions.


Speedo Driven Gear GM Super T10

Speedo driven gears for GM Super T10 transmissions. OEM AC Delco gears. Your choice of one gear, please specify:

From $11.00

Super T10 Speedo Drive Gear 8 tooth

8 tooth speedometer drive gear. Fits all Borg Warner & Richmond Super T10 transmissions.


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.


Speedo Housing Tab & Bolt

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


Speedometer housing

Solid steel speedometer housing fits Super T10, GM T10, Muncie, T5  transmissions.

This is a new replacement speedo housing for those old, leaky worn out housings and comes with seal and o ring.



Richmond GL4 Spec Multi Purpose Petroleum based 80w90 gear oil  ( 1 Quart )

Do not use any gear oil with a GL5 Spec, it will eat up the synchronizer rings.


The Gear Box Transmissions, LLC.

Phone 734-793-0727

* Fax 734-793-0729