The Gear Box Transmissions, Inc
T56 Corvette GTO CTSV

T56 Corvette GTO CTSV Master Overhaul Kit Koyo Bearings
T56 Corvette GTO CTSV Master Overhaul Kit Koyo Bearings

Master overhaul kit for Corvette, GTO & CTSV Borg Warner / Tremec T56 Transmissions with Koyo Hi-Cap Bearings. Geniune OEM Tremec Parts.


$655.00

T56 Corvette GTO CTSV Master Overhaul Kit Timken Bearings
T56 Corvette GTO CTSV Master Overhaul Kit Timken Bearings

Timken master overhaul kit for Corvette, GTO & CTSV Borg Warner / Tremec T56 Transmissions. Geniune OEM Tremec Parts.


$705.00

T56 Corvette GTO CTSV Basic Overhaul Kit
T56 Corvette GTO CTSV Basic Overhaul Kit

Basic Overhaul kit for Corvette, GTO & CTSV Borg Warner / Tremec T56 Transmissions.

Genuine OEM Tremec / Borg Warner parts - USA made!


$527.95

T56 Snap Ring Kit
T56 Snap Ring Kit

Complete snap ring kit for all T56 transmissions. Genuine OEM Tremec / Borg Warner parts.


$20.95

T56 Shim Kit
T56 Shim Kit

Shim pack for all T56 transmissions.


$29.95

T56 1-2 Synchronizer Assembly Corvette GTO CTSV
T56 1-2 Synchronizer Assembly Corvette GTO CTSV

1-2 synchronizer assembly for the T56 transmission in a Corvette, GTO and CTSV application.


$119.95

T56 3-4 Synchronizer Assembly Corvette GTO CTSV

T56 3-4 synchronizer assembly for Corvette, GTO & CTSV applications.


$113.87

T56 5-6 Synchronizer Assembly Corvette GTO CTSV

5-6 synchronizer assembly for the T56 transmission in a Corvette, GTO or CTSV application.


$101.08

T56 Reverse Synchronizer Assembly Corvette GTO CTSV

T56 Reverse Synchronizer Assembly. New Genuine OEM Borg Warner / Tremec part - USA made! Fits all T56 transmissions,


$97.95

T56 1st Gear 2.66 or 2.97 Corvette GTO CTSV
T56 1st Gear 2.66 or 2.97 Corvette GTO CTSV

T56 1st gear for Corvette, GTO & CTSV. 


$111.86

T56 2nd Gear 2.66 or 2.97 Corvette GTO CTSV
T56 2nd Gear 2.66 or 2.97 Corvette GTO CTSV

2nd gear for the T56 transmission in a Corvette, GTO & CTSV.


$135.90

T56 3rd Gear 2.66 or 2.97 Corvette GTO CTSV
T56 3rd Gear 2.66 or 2.97 Corvette GTO CTSV

3rd gear for T56 transmissions in Corvette, GTO & CTSV applications.


$124.05

T56 5th Gear 2.66 or 2.97 Corvette GTO CTSV
T56 5th Gear 2.66 or 2.97 Corvette GTO CTSV

5th gear for the T56 transmissions in a Corvette, GTO & CTSV.


$111.59

T56 6th Gear 2.66 or 2.97 Corvette GTO CTSV
T56 6th Gear 2.66 or 2.97 Corvette GTO CTSV

6th gear for the T56 transmissions in a Corvette, GTO & CTSV.


$116.69

T56 Reverse Gear 35 Tooth Corvette GTO CTSV

T56 Reverse Gear with 35 Teeth. Fits all T56 Transmissions.


$108.95

T56 Corvette GTO CTSV 5-6 Gear Cluster

T56 5-6 Gear Cluster, 29 tooth / 37 tooth.


$178.95

T56 Corvette / GTO Countershaft Extension

T56 Countershaft extension.


$90.62

T56 Corvette Mainshaft 27 spline

Genuine OEM Tremec mainshaft for 27 spline T56 Corvette transmissions.


$180.84

T56 Corvette Mainshaft 30 spline

Genuine OEM Tremec mainshaft for T56 Corvette with 30 spline output.


$150.00

T56 GTO Mainshaft

New Genuine OEM Tremec Mainshaft for T56 GTO transmissions.


$150.00

Bronze Fork Pads
Bronze Fork Pads

Bronze fork pads are a necessary upgrade for all T56 high performance and racing applications! Fit all T56 transmissions.


$26.50

Bronze Fork Pads Set of 8
Bronze Fork Pads Set of 8

These are a high performance upgrade for the T56 transmission. USA Made!

Will not fail or wear like the stock teflon pads.


$100.00

Billet Keys for the 3-4, 5-6 or Reverse Synchronizer Assembly
Billet Keys for the 3-4, 5-6 or Reverse Synchronizer Assembly

This is one set of 3 billet keys (as pictured). Each of the synchro assemblies requires one set (3) of keys. These keys will fit the 3-4, 5-6 OR Reverse synchro assemblies. Springs are included, which is why we need to know which synchro assy are purchasing the keys for.


$60.00

Billet Keys 1-2
Billet Keys 1-2

Billet keys are a necessary upgrade for high performance and race applications.  USA Made!


$45.00

T56 1-2 Shift Fork

T56 1-2 shift fork fits all T56 transmissions. Genuine OEM Borg Warner / Tremec part.


$17.95

T56 3-4 Steel Shift Fork
T56 3-4 Steel Shift Fork

OEM Tremec T56 steel 3-4 shift fork with stock pads.

This is the upgraded T56 3-4 steel shift fork used in the Vipers and will fits all T56 transmissions.


$45.00

T56 3-4 Steel Shift Fork W/ Bronze Fork Pads Tremec
T56 3-4 Steel Shift Fork W/ Bronze Fork Pads Tremec

T56 Steel 3-4 shift fork with bronze fork pads.


$71.00

T56 5-6 Shift Fork

T56 5-6 shift fork. Genuine OEM Tremec / Borg Warner part.

Fits all T56 transmissions.


$23.95

T56 Reverse Shift Fork

T56 Reverse Shift Fork. Fits all T56 Transmissions.

Genuine OEM Borg Warner / Tremec part.


$24.95

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.


$6.89

GTO Shifter

New OEM GTO shifter assembly. This will only fit the GTO T56 transmissions. It will not fit Camaro, Firebird, Corvette, Cobra or Viper applications.


$250.00

T56 Counter Shaft / Cluster Gear 2.97 ratio

Counter shaft / Cluster gear fits 2.97 ratio T56 in:


$198.74

The Gear Box Transmissions, Inc. * Phone 734-793-0727 * Fax 734-793-0729