ProFit™ 5-Speed System
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ProFit™ 5-Speed System
for Automatics
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Camaro ProFit 5-speed - Click here |

ProFit 5-speed for automatics - Click here |
For upgrading your Camaro/Firebird 4-speed manual transmission
to a 5-speed overdrive. |
For converting your Camaro/Firebird automatic transmission to a
5-speed overdrive or upgrading your 4-speed automatic to a
5-speed overdrive. |
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American Powertrain's SuperShift™
Overdrive Automatic System |
American Powertrain's SuperShift™
Overdrive Automatic System |

1970-1974
SuperShift™
Overdrive Automatic System |

1975-1981
SuperShift™
Overdrive Automatic System - Click here |
SuperShift to an
overdrive automatic system when converting your Camaro/Firebird. |
SuperShift to an
overdrive automatic system when converting your Camaro/Firebird. |
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TREMEC 5-Speed Bare Unit
TKO-500 / TKO-600
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ProFit™ 6-Speed System
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Basic
5-Speed
System - Click here |
6 SPEED KITS AVAILABLE FOR A LIMITED TIME !
Please call for pricing and details |
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This kit is perfect for upgrading your Camaro 4-speed manual transmission to a 6-speed double overdrive. |
Also available:
Unmodified T56 6-speed [click here] |
ProFit™ Systems
The ProFit™ Systems
are the easiest and most economical way to put a high strength, modern overdrive Tremec TKO 5-speed transmission or T56 6-speed transmission in your
car. Our Custom Engineered ProShift™ Tailhousings and Shift Mechanisms provide the smoothest operation, the shortest throws and the only true internal offset in the business. Enjoy a ProFit transmission with low RPM cruising, and great fuel economy today.
SuperShift™ Systems
Only American Powertrain's SuperShift™ Systems provide every component needed to
replace your stock transmission with an overdrive 4-speed automatic,
right down to a stock appearing 4-Speed Shift Selector for the console.
Install SuperShift™ in a weekend and begin enjoying the hot performance,
great fuel mileage, extended cruising range and quiet highway operation
of The SuperShift™ System without decreasing the value of your car.
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