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Home Store GM Corvette (C3) 1968-1982 Keisler ClassicFit™ Kits: TKO - T45RS - T56
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Call Keisler at 1-865-609-8187 to speak with a transmission specialist to get pricing and order Keisler transmissions.


Why Can't I Order A Transmission Online?
At Keisler, we are committed to order accuracy, and with the complex nature of making sure that your transmission and kit components match your car and performance needs, speaking with one of our transmission specialists is currently the best way to ensure you recieve the right products.


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The Keisler ClassicFit" Kit is the most economical way to put a high strength, modern overdrive Tremec transmission in your vehicle. Our ClassicFit" Kits contain all the same high-quality components as our PerfectFit systems, but with an unmodified transmission. Enjoy an overdrive manual transmission system with low RPM cruising, and great fuel economy today.

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Keisler ClassicFit™ Kits: TKO - T45RS - T56
1968-1982 Corvette 5-Speed ClassicFit™ Kit - T45RS-350

The Keisler ClassicFit™ T45RS kit is for the performance enthusiast looking for a high strength transmission at a great price. The ClassicFit™ Kit duplicates the factory 4-speed shift position and contains everything required to install in your C3 Vette.
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1968-1982 Corvette 5-Speed ClassicFit™ Kit - T45RS-350 Auto

The Keisler ClassicFit™ T45RS kit is for the performance enthusiast looking for an overdrive transmission at a great price. The ClassicFit™ Kit duplicates the factory 4-speed shift position and contains all the parts required to install in your C3 Vette.
[Product Details...]

For Pricing:
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Request a Quote


1968-1982 Corvette 5-Speed ClassicFit™ Kit - T45RS-425

The Keisler ClassicFit™ T45RS kit is for the performance enthusiast looking for an overdrive transmission at a great price. The ClassicFit™ Kit duplicates the factory 4-speed shift position and includes all the parts required to install in your C3 Vette.
[Product Details...]

For Pricing:
Call or
Request a Quote


1968-1982 Corvette 5-Speed ClassicFit™ Kit - T45RS-425 Auto

The Keisler ClassicFit™ T45RS kit is for the performance enthusiast looking for a high strength transmission at a great price. The ClassicFit™ Kit duplicates the factory 4-speed shift position and contains everything required to install in your C3 Vette.
[Product Details...]

For Pricing:
Call or
Request a Quote


T45RS-350 Essentials Kit (350 LB-FT)

For the budget-minded enthusiast that doesn't require the extra strength of the TKO, we offer the T45RS-350 as a lower cost alternative. The Essentials Kit contains all the basic parts required to install into your GM, Ford, or Mopar vehicle.
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T45RS-425 Essentials Kit (425 LB-FT)

For the budget-minded enthusiast that doesn't require the extra strength of the TKO, we offer the T45RS-425 as a lower cost alternative. The Essentials Kit contains all the basic parts required to install into your GM, Ford, or Mopar vehicle.
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T56 MAGNUM 6-Speed 2.66/0.63 Essentials Kit

TREMEC T56 MAGNUM Essentials Kit contains all the basic items required to install a new high-strength, modern T56 MAGNUM double overdrive 6-speed in your vehicle. Optional Offset Shifter and Front Shift Relocation kits available soon.
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T56 MAGNUM 6-Speed 2.97/0.50 Essentials Kit

TREMEC T56 MAGNUM Essentials Kit contains all the basic items required to install a new high-strength, modern T56 MAGNUM double overdrive 6-speed in your vehicle. Optional Offset Shifter and Front Shift Relocation kits available soon.
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TKO-500 5-Speed Essentials Kit

TREMEC TKO500 Essentials Kit contains all the basic items required to install a new high-strength, modern TKO500 overdrive 5-speed in your car. Optional Keisler ClassicFit™ Offset Shifter mimics the factory shift position.
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TKO-600 (.64) 5-Speed Essentials Kit

TREMEC TKO600 Essentials Kit contains all the basic items required to install a new high-strength, modern TKO600 overdrive 5-speed in your vehicle. Optional Keisler ClassicFit™ Offset Shifter mimics the factory shift position.
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TKO-600 (.82) 5-Speed Essentials Kit

TREMEC TKO600 Essentials Kit contains all the basic items required to install a new high-strength, modern TKO600 overdrive 5-speed in your car. Optional Keisler ClassicFit™ Offset Shifter mimics the factory shift position.
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Call for Pricing

Call our Sales Staff at 1-865-609-8187 to speak with a transmission specialist to get pricing and order Keisler transmissions.


Why Can't I Order A Transmission Online?
At Keisler, we are committed to order accuracy, and with the complex nature of making sure that your transmission and kit components match your car and performance needs, speaking with one of our transmission specialists is currently the best way to ensure you recieve the right products.


Click here to close