GM
Truck
ProFit™ 5-Speed Overdrive Transmission System (for
automatics)
Tremec Overdrive Transmission Conversion Kit for
GM Trucks
Call us for great pricing deals every day at (931) 646-4836.
Direct Bolt-In ♦ Perfect Shifter Positioning ♦ No Cutting ♦ No Modifications! |
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This 5-Speed System is
the easiest and most economical way to put a high strength, modern
overdrive Tremec TKO 5-speed in your GM Truckt Rod / Kit Car.
Our Custom Engineered Tailhousings and Shift Mechanisms
provide the smoothest operation, the shortest throws and the only true
internal offset in the business. Enjoy a 5-Speed System with low RPM
cruising, and great fuel economy today.
Click here to run our Speed Analyzer. |

ProFit
Street Kit TKO-500
ProFit Street Kit TKO-600
ProFit Road Race Kit TKO-600 |
ProFit™ 5-Speed Overdrive
Transmission System (for Automatics)

Click Here or call (931) 646-4836 |
TKO-500
ProFit™ Kit |
TKO-600 (.64)
ProFit™ Kit |
TKO-600 (.82)
ProFit™ Kit |
TN residents only: Add sales tax.
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The ProFit TKO
kits include the following components:
- Transmission. All new TKO-500 or TKO-600 transmission. Includes billet aluminum Tremec shifter.
- Transmission mount. Energy Suspension polyurethane transmission mount for long life and durability.
- Speedometer cable/adapter. Custom mechanical speedometer cable with integrated adapter and gear. Electric speedometer kits are also available.
- Driveshaft. Steel driveshaft complete with premium Spicer u-joints and Spicer C6 slip yoke, custom built for your car. All driveshafts are balanced using state-of-the-art equipment. 500 H.P. rating with street tires. For higher horsepower applications aluminum driveshafts are available for an additional charge.
- Pilot bearing. Needle roller pilot bearing.
- Hydraulic Release Bearing. McLeod bolt-on style hydraulic clutch release bearing.
- Aluminum bellhousing. Reproduction of GM "621" stock bellhousing. Precision built to within .005" run-out. Includes GM ball stud, inspection cover, and all hardware.
- Clutch kit. Modern pedal effort, heavy duty clutch kit. Complete with disc, diaphragm pressure plate, clutch alignment tool, and hardware.
- Flywheel. Nodular iron flywheel with ARP flywheel bolt kit.
- Shift knob. Hurst black or white 5-speed shift knob.
- Reverse light switch connector. Convenient pigtail connector.
- Hardware Kit. Complete specialty hardware kit for a hassle free installation.
- Installation Instructions/Information. Step-by-step instructions to answer your most detailed questions and help you with your installation.
- Optional mid shifter. Locates shifter 12.65" back from front of transmission. Add $350 (installed).
- Customer Support. Unlimited phone support for all technical and installation related questions.
- Extended warranty. Free one year extended warranty on all kit components. Some restrictions apply
| Model |
Part Number |
1st |
2nd |
3rd |
4th |
5th |
Torque Rating |
TKO-500 |
4616 |
3.27 |
1.98 |
1.34 |
1.00 |
.68 |
500 ft/lbs. |
TKO-600 |
5009 |
2.87 |
1.89 |
1.28 |
1.00 |
.64 |
600 ft/lbs. |
TKO-600(RR) |
4618 |
2.87 |
1.89 |
1.28 |
1.00 |
.82 |
600 ft/lbs. |
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Call Now! (931) 646-4836 |
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BEST SERVICE AND SUPPORT! Every
customer has a specific Customer Tech Support rep who stands
ready to help make your project a success. Guaranteed! |
International
Customers Welcome!
Click
here to request a quote by email. Please tell
us as much as possible about your vehicle's year and model,
engine, current transmission, and differential. |
Installation
is available - click here! Choose one of our Recommended Installers
near you.
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