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American Powertrain

Stang-Aholics now offers 5 Speed and 6 Speed Complete Manual Transmission Conversion kits to fit 65-73 classic Mustangs! These kits will come with either a TKO 500, 600 5 Speed Transmission or T-56 6 Speed Transmission depending on your Mustang's Horsepower and performance needs. We have teamed up with the best suppliers and manufacturers in the industry to be able to offer our customers a complete kit to help make the conversion to a high performance manual transmission much easier than trying to source all the parts needed individually. Plus, these manual transmission kits include specially modified 5 and 6 speed transmissions specifically for the 65-73 Classic Mustang. These Tremec transmissions feature modified and streamlined top plates to better fit the classic Mustang transmission tunnel and a relocated shifter on the transmission's tail shaft to put the shifter lever right in the stock location, so you shifter will come up through the stock hole on the tunnel which will also allow you to use a stock or aftermarket interior console! Let Stang-Aholics help you with your Manual Overdrive transmission conversion kit today to help make your Mustang more fun and enjoyable to drive!


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Description: 1965 - 1966 Mustang Manual Transmission Tremec T-56 Magnum 6 Speed Conversion Kit T-56 Magnum 6 Speed Manual Transmission Conversion Kit for 1965 - 1966 Mustangs. Transform your Classic...More Details »
Item #: APT-T56-KIT-6566
Condition: New
Price: $1.00
Qty:

Description: 1967 - 1970 Mustang Manual Transmission Tremec T-56 Magnum 6 Speed Conversion Kit T-56 Magnum 6 Speed Manual Transmission Conversion Kit for 1967 1968 1969 and 1970 Mustangs. Transform your...More Details »
Item #: APT-T56-KIT-6770
Condition: New
Price: $1.00
Qty:

Description: 1967 - 1970 Mustang Manual Transmission Tremec TKO 500 Conversion Kit TKO-500 Manual Transmission Conversion Kit for 1967 1968 1969 1970 Mustangs. Tranform your Classic Mustangs Drivetrain...More Details »
Item #: APT-TKO500-KIT-6770
Condition: New
Price: $1.00
Qty:

Description: 1965 - 1966 Mustang Manual Transmission Tremec TKO 600 Conversion Kit TKO-600 Manual Transmission Conversion Kit for 1965 - 1966 Mustangs. Tranform your Classic Mustangs Drivetrain with this...More Details »
Item #: APT-TKO600-KIT-6566
Condition: New
Price: $1.00
Qty:

Description: 1967 - 1970 Mustang Manual Transmission Tremec TKO 600 Conversion Kit TKO-600 Manual Transmission Conversion Kit for 1967 1968 1969 1970 Mustangs. Tranform your Classic Mustangs Drivetrain...More Details »
Item #: APT-TKO600-KIT-6770
Condition: New
Price: $1.00
Qty:

Description: Tremec Cobra Spec T-5 5-Speed Transmission for 1965 - 1973 Mustangs Dollar-for-dollar, pound-for-pound the T-5 is the smoothest shifting, easiest to drive, and most reliable manual transmission...More Details »
Item #: APT-1352-000-251
Condition: New
Ships Via Truck Freight Only. Best to Ship to Commercial Address or Shipping Terminal If Possible.
Price: $2,295.00
Sale: $1,895.00
Save: 17%
Save: $400.00

Description: NEW TREMEC TKO500 5-SPEED FOR FORD, 26-SPLINE INPUT for 1965 - 1973 Mustangs Ridding the world of outdated 4-speeds and overworked factory 5-speeds, the TREMEC TKO is the most popular and...More Details »
Item #: APT-TCET5201
Condition: New
Ships Via Truck Freight Only. Best to Ship to Commercial Address or Shipping Terminal If Possible.
Price: $3,195.00
Sale: $2,595.00
Save: 19%
Save: $600.00
Qty:

Description: NEW TREMEC TKO500 5-SPEED FOR FORD, 10-SPLINE INPUT for 1965 - 1973 Mustangs Ridding the world of outdated 4-speeds and overworked factory 5-speeds, the TREMEC TKO is the most popular and...More Details »
Item #: APT-TCET4615
Condition: New
Ships Via Truck Freight Only. Best to Ship to Commercial Address or Shipping Terminal If Possible.
Price: $3,195.00
Sale: $2,595.00
Save: 19%
Save: $600.00

Description: NEW TREMEC MAGNUM 6-SPEED FOR FORD, 26 SPLINE, for 1965 - 1973 Mustangs Magnum 6-Speed for Ford, 700ft-lb constant load rated, unmodified, 26-spline input shaft, 4616 chromoly gears and shafts,...More Details »
Item #: APT-TCET16884
Condition: New
Ships Via Truck Freight Only. Best to Ship to Commercial Address or Shipping Terminal If Possible.
Price: $3,895.00
Sale: $3,545.00
Save: 9%
Save: $350.00

Description: New Tremec MAGNUM XL 6-Speed Kit for 2005-2016 Mustang V8 close ratio. Replace your 05-09 3650 or 10-16 Getrag MT-82 MAGNUM XL 6-Speed Kit for 2005-2016 Mustang V8, Direct replacement, includes...More Details »
Item #: APT-TUET11940
Condition: New
Ships Via Truck Freight Only. Best to Ship to Commercial Address or Shipping Terminal If Possible.
Price: $4,495.00
Sale: $3,695.00
Save: 18%
Save: $800.00

Description: New Tremec MAGNUM XL 6-Speed Kit for 2005-2016 Mustang V8 close ratio. Replace your 05-09 3650 or 10-16 Getrag MT-82 MAGNUM XL 6-Speed Kit for 2005-2016 Mustang V8, Direct replacement, includes...More Details »
Item #: APT-TUET11430
Condition: New
Ships Via Truck Freight Only. Best to Ship to Commercial Address or Shipping Terminal If Possible.
Price: $4,495.00
Sale: $3,695.00
Save: 18%
Save: $800.00

Description: 1965 - 1966 Mustang Manual Transmission Tremec TKO 500 Conversion Kit TKO-500 Manual Transmission Conversion Kit for 1965 - 1966 Mustangs. Tranform your Classic Mustangs Drivetrain with this...More Details »
Item #: APT-TKO500-KIT-6566
Condition: New
Price: $1.00
Qty:

Items 1-12 of 12

More About American Powertrain

American Powertrain is a premier transmission conversion supplier with their  2-year warranty on almost everything, great installation instructions and a complete library of online videos to help along the way. If you have a wrench in your hand we are here to help; nights, weekends and even on holidays.We feature the TREMEC T5 and TKO in our 5-speed systems and the TREMEC Magnum in our 6-speed kits. Many of these transmissions are modified by American Powertrain to fit your specific make and model with little or no modification to your car. We also offer Xtreme power and rpm upgrades on each of these transmissions with power ratings up to 1100ft-lbs. Xtreme upgraded transmissions are available as bare units or as part of our comprehensive ProFit™ Kits with every component you need to convert from manual or automatic to a modern overdrive transmission.