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Call us for great pricing deals every day at (931) 646-4TDM.
 1984-1988
Corvette (C4)
ProFit™ 5-Speed Overdrive Transmission System
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"Say Goodbye to the DNE 4+3!"
This 5-Speed System is
the easiest and most complete way to put a high strength, modern
overdrive Tremec TKO 5-speed in your 1984-1988 (C4) Corvette.
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. |
Tremec Overdrive Transmission Kit for 1984-88 Corvettes
Direct Bolt-In ♦ Perfect Shifter Positioning ♦ No Cutting ♦ No Modifications! |
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ProFit
Street Kit TKO-500
ProFit Street Kit TKO-600
ProFit Road Race Kit TKO-600 |
ProFit™ 5-Speed Overdrive Transmission System
Click Here or call
(931) 646-4TDM |
TKO-500
ProFit™ Kit |
TKO-600 (.64)
ProFit™ Kit |
TKO-600 (.82)
ProFit™ Kit |
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TN residents only: Add sales tax. |
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The ProFit kit for 1984-1988 Corvettes
include the following components:
- TKO transmission with custom, Hurst Sidewinder shifter. All new specially modified TKO transmission with custom designed, Hurst Sidewinder, side-mount shifter [exclusively available from Classic Motorsports Group] for correct shifter handle positioning within your stock console. Perfect shifter positioning!
- Slip yoke. Spicer 1330, 31 spline slip yoke.
- Torque arm bracket. Heavy duty steel bracket for an easy installation. Black powder coated.
- Speedometer interface kit. Includes Dakota Digital electronic speedometer interface unit & pigtail connector.
- Shift stick. Hurst chrome shifter stick.
- Shift knob. Hurst 5-speed shift knob.
- Shift boot. Hurst shifter boot.
- Pilot bearing. Needle roller pilot bearing.
- Reverse light switch connector. Convenient pigtail connector.
- Exhaust hanger bracket. Exhaust hanger bracket for 1984-88 Corvettes.
- Tunnel patch. Complete with template and Dynamat sound deadener.
- 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.
- 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 |
6th |
Torque Rating |
 TKO-500 |
4616 |
3.27 |
1.98 |
1.34 |
1.00 |
.68 |
n/a |
500 ft/lbs. |
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TKO-600 |
5009 |
2.87 |
1.89 |
1.28 |
1.00 |
.64 |
n/a |
600 ft/lbs. |
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TKO-600(RR) |
4618 |
2.87 |
1.89 |
1.28 |
1.00 |
.82 |
n/a |
600 ft/lbs. |
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1985 Corvette – TKO installed with stock console |
Installation Notes
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 Call
Now! (931) 646-4TDM
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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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