American Powertrain Tremec T-56 Magnum Manual Transmissions TUET11009

Name: American Powertrain Tremec T-56 Magnum Manual Transmissions
Brand: American Powertrain
SKU: AWR-TUET11009
Price: 3975.99 USD
Availability: OutOfStock
Rating: 4.75 (12 reviews)

4.75 out of 5 stars ( 12 )

Part Number: AWR-TUET11009

Not Available

American Powertrain Tremec T-56 Magnum Manual Transmissions

Transmission, Manual, Tremec T-56, 6-Speed, 1 1/8 in. 26-Spline, Chevy, Each
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American Powertrain Tremec T-56 Magnum Manual Transmissions TUET11009

AWR-TUET11009

4.75 out of 5 stars ( 12 )

Part Number: AWR-TUET11009

Not Available

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Same Item, New Number This renamed part is the same as the item you requested:

Tremec T56 Manual Transmission for GM V8 TUET11009

3 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026

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Overview

Brand:

American Powertrain

Manufacturer's Part Number:

TUET11009

Part Type:

Manual Transmissions

Product Line:

American Powertrain Tremec T-56 Magnum Manual Transmissions

Summit Racing Part Number:

AWR-TUET11009

Number of Gears:

Input Shaft Diameter:

1.125 in.

Input Spline Quantity:

Output Shaft Spline Quantity:

Bellhousing Included:

Yoke Included:

Shifter Included:

Yes

First Gear Ratio:

2.66:1

Second Gear Ratio:

1.78:1

Third Gear Ratio:

1.30:1

Fourth Gear Ratio:

1.00:1

Fifth Gear Ratio:

0.80:1

Sixth Gear Ratio:

0.63:1

Case Material:

Aluminum

Remanufactured:

Quantity:

Sold individually.

Notes:

Close ratio transmission. Designed for electronic or mechanical speedometers. The 7-tooth internal speedometer drive gear is included. Designed for use with hydraulic throwout bearing. They can be combined with any GM engine; big block, small block, or LS when using the correct bell housing. Some applications will require tunnel modifications, torque arm relocation, or a new driveshaft.

American Powertrain Tremec T-56 Magnum Manual Transmissions

American Powertrain Tremec T-56 Magnum manual transmissions are brand new from the ground up (except their gear ratios). They can withstand up to 700 lbs.-ft. of torque, with gears featuring substantially increased face widths and 2-piece laser-beam welded construction. This allows for greater control of the tooth angles, pitch, and alignment. Numerous models are available; order the transmission recommended for your vehicle application.

Additional benefits include:

* Bolstered one-piece countershaft to resist distortion
* Stronger input shaft
* New synchronizers featuring fine-tooth angles
* Redesigned shift forks
* An extensively modified transmission case to prevent leaks under high-stress conditions and increase overall power-handling capabilities