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Home Store GM Bel Air 1955-1957 Keisler PerfectFit™ RS® and TKO Kits
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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 PerfectFit™ System is the easiest and most complete way to put a high strength, modern overdrive 5-speed transmission or T56 6-speed transmission in your 1955-1957 Chevy Bel Air. Our Keisler Custom Engineered PerfectShift™ Tailhousings and Shift Mechanisms provide the smoothest operation, the shortest throws and the only true internal offset in the business. Enjoy a PerfectFit transmission with low RPM cruising, and great fuel economy today.

*** Find our new PerfectFit 5-Speed RS® Kits HERE!!!



Keisler PerfectFit™ RS® and TKO Kits
* NEW PRODUCT 1955-57 Chevrolet 5-Speed RS PerfectFit® Kit

The Keisler RS® 5-speed provides low RPM cruising, best-in-class shift quality, and a compact design to fit your classic - all at an unbeatable price. 7000rpm shifts and no missed 2-3 shifts are just two of the many benefits of the RS. Built at Keisler!
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*NEW PRODUCT 55-57 Chevy 5-Speed RS PerfectFit® Kit - Auto

The Keisler RS® 5-speed conversion from automatic offers low RPM cruising, best-in-class shift quality, and a compact design - all at an unbeatable price. 7000rpm shifts and no missed 2-3 shifts are just two of the benefits of the RS. Built at Keisler!
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1955-1957 Chevrolet 5-Speed PerfectFit Kit - TKO-500

Recommended choice for upgrading your 1955-1957 Chevy 3- or 4-speed manual transmission to a high strength, modern 5-speed overdrive transmission.
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1955-1957 Chevrolet 5-Speed PerfectFit™ Kit - TKO-500-Auto

Recommended choice for converting your Chevy Bel Air automatic transmission to a high strength, modern 5-speed overdrive manual transmission.
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1955-1957 Chevrolet 5-Speed PerfectFit™ Kit - TKO-600(.64)

Recommended choice for upgrading your Chevy Bel Air 3- or 4-speed manual transmission to a high strength, modern 5-speed overdrive manual transmission.
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1955-1957 Chevrolet 5-Speed PerfectFit™ Kit - TKO-600(.64)-Auto

Recommended choice for converting your Chevy Bel Air automatic transmission to a high strength, modern 5-speed overdrive manual transmission.
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1955-1957 Chevrolet 5-Speed PerfectFit™ Kit - TKO-600(.82)

Recommended choice for upgrading your 55-57 Chevy 3- or 4-speed manual transmission to a high strength, modern 5-speed overdrive manual transmission.
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1955-1957 Chevrolet 5-Speed PerfectFit™ Kit - TKO-600(.82)-Auto

Recommended choice for converting your Bel Air automatic transmission to a high strength, modern 5-speed overdrive manual transmission.
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1955-1957 Chevrolet 6-Speed PerfectFit™ Kit - T56

This kit is perfect for upgrading your 3- or 4-speed Tri-Five manual transmission to a high strength, modern 6-speed double overdrive manual transmission.
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1955-1957 Chevrolet 6-Speed PerfectFit™ Kit - T56 - Auto

This kit is perfect for converting your Tri-Five automatic transmission to a high strength, modern 6-speed double overdrive manual transmission.
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For Pricing:
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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