Bowler Performance Carbon Edition Manual Transmissions 1178055

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Part Number: BTM-1178055

$7,293.99

Transmission, Bowler Carbon Edition GM TKX 5-SPEED (NO ACCESSORIES) 2.87, 1.89, 1.28, 1.00, .68
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Bowler Performance Carbon Edition Manual Transmissions 1178055

Bowler Performance Carbon Edition Manual Transmissions 1178055

BTM-1178055

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Part Number: BTM-1178055

Estimated Ship Date: Dec 4, 2026

$7,293.99

Estimated Ship Date: Dec 4, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
1178055
Part Type:
Product Line:
Summit Racing Part Number:
BTM-1178055
Item Number:
7424976
Number of Gears:
5
Input Shaft Diameter:
1.125 in.
Input Spline Quantity:
26
Output Shaft Spline Quantity:
31
Output Shaft Spline Diameter (in.):
1.360 in.
Bellhousing Included:
No
Yoke Included:
No
Yoke Style:
Slip-on
Shifter Included:
No
First Gear Ratio:
2.87:1
Second Gear Ratio:
1.89:1
Third Gear Ratio:
1.28:1
Fourth Gear Ratio:
1.00:1
Fifth Gear Ratio:
0.68:1
Case Material:
Aluminum
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Requires a shifter with 0.890 in. center to center 3/8 in. diameter mounting holes.
Special Attention:
Transmission only. No bellhousing or accessories included.

Bowler Performance Carbon Edition Manual Transmissions

Bowler Performance Carbon Edition manual transmissions offered are the Tremec T-56 Magnum 6-speed and the TKX 5-speed. These hand-built blueprinted assemblies allow for higher rpm shift points under heavy-torque loads, and are the perfect solution for any serious track car or enthusiast looking for the best possible shift feel and performance.

Magnum T-56 6-speed is rated to handle a tire blistering 700 lb.-ft. of torque, and features a single rail shifter design, 3-piece synchronizer assemblies, three shift lever locations, multiple gearing options, and weighs in at 135 lbs.

TKX 5-speed has 600 lb.-ft. of torque capacity and is capable of engine speeds of 8,000 rpms with shifts at 7,500 rpms. It is available in multiple gear ratio configurations.

Converting your hot rod to a 5-speed or 6-speed is a fantastic way to add overdrive and give yourself the ability to drop the engine rpms and increase your mpgs, which makes owning and driving your prized car much more enjoyable. Choose the desired Bowler Carbon Edition transmission for your vehicle.

Benefits of the Bowler Performance Carbon Editions:

* Reduced operating temperatures
* Reduced torque loss/improved rotating efficiency
* Increased gear and bearing life
* Reduced vibration and noise
* Reduced lubrication requirements
* Improved shift feel
* Eliminated break-in run-in requirements
* Dyno tested

The 5- and 6-speed features:

* REM ISF finished gear set
* REM ISF finished shift rails
* Updated aerospace polymer fork pads
* Updated carbon block rings
* Gray coated finish helps dissipate heat

The 6-speed also offers:

* Updated second gear
* Upgraded 1-2 synchronizer hub
* Nightstick billet shifter
* Upgraded carbon fiber lined blocker rings in all gears, even reverse

Applications

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