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ProFormance Powertrain Systems
Your one stop source for Tremec 5-Speed and 6-Speed systems
and components for your muscle, race, rod or pony car.
We feature the Tremec t5 and Tremec TKO in our 5-Speed Systems and the Tremec t56 in our 6-Speed Systems. We also offer race prep and rebuild services on TKO, t5, t45, 3650 and t56, with horsepower ratings up to 1000hp depending on model. These transmissions can be purchased as bare units or as comprehensive ProFit™ Kits with every component you need to convert from manual or automatic to a modern overdrive gearbox.

ProFormance Powertrain Systems is proud to offer the best prices on QuickTime Scattershields and flexplates, bell housings, ProGrip clutches and flywheels, linkage and pedals for
GM, Ford and Mopar applications. You should also check out our patent pending Hot Rod Hydraulic Systems for 4-speed, 5-speed and 6-speed applications.

ProFormance Powertrain Systems, a division of
American Powertrain, backs every part with an industry leading 12-Month Warranty from the date of installation with a two year installation grace period. Our exclusive free 24/7 Technical Support line means you will always talk to an experienced enthusiast, day or night, weekends or holidays.

We have a transmission system for your Camaro, Chevelle, Corvette, Nova, Tri-5 (55, 56, 57 Chevy), Firebird, GTO, Lemans, 442, Cutlass, GS, Skylark, Mustang, Cougar, Falcon, Comet, Galaxy, A-body Barracuda, Demon, Dart, Valiant, Duster, Scamp, B-body Roadrunner, GTX, Charger, Satellite, Savoy, Belvedere, Coronet, Super Bee, E-body Cuda and Challenger, along with any Big3 powered truck or street rod you can build.

Please make a selection below and if you don’t see what you need call 931-646-4836 for help.
Thank you for buying from ProFormance Powertrain Systems!


 
GM
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.
GM Transmissions
GM Accessories
GM Bellhousings GM Scattershields and Flexplates Clutches GM Flywheels
Bellhousings Scattershields and Flexplates Clutches Flywheels
GM Mechanical Linkage Hydraulic Actuators GM Pedals GM Shifters
Mechanical Linkage Hydraulic Actuators Pedals Shifters

 
MOPAR
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.
 Mopar Transmissions
Mopar Accessories
Bellhousing  Scattershields Clutches  
Bellhousings Scattershields and Flexplates Clutches  
Clutch Link Kits Hydraulic Actuators Pedals Shifters
Mechanical Linkage Hydraulic Actuators Pedals Shifters
Flywheels  Mopar Inspection Covers Tunnel Humps   
Flywheels Inspection Covers   Tunnel Humps    

 
FORD
ProFit™ Systems: ProFit™ Systems are the most complete systems available for putting a TKO, t-5 or t-56/6060 in your 1965-2008 Mustang. Our Custom Engineered transmissions fit classic Mustangs and Cougars with little or no modification. All of our kits come with everything you need to make your swap complete.

ProBuilt Transmissions:
Our hand built Tremec transmissions come in four flavors for every level of performance. Choose from our upgraded stock rebuild S, medium power range Plus, full tilt Extreme or drag strip only Extreme Track editions of the t5, TKO, t45, 3650 and t56/6060 transmissions. ProBuilt transmissions are assembled and tested by the same craftsmen that bring you the fastest Tremec transmissions on earth.
Ford Transmissions
Ford Accessories
Bellhousings and Scattershields  Ford/Transmissions/ScattershieldFord.htm  Clutches  
Bellhousings/ Scattershields
and Flexplates
BH Spacers, Motor Plates, Safety Shields  Clutches  
Clutch Linkage Kits Hydraulic Actuators Pedals Shifters
Cable Linkage Hydraulic Actuators Pedals Shifters
  Flywheels and Flexplates    
  Flywheels    


 Why Buy From Us? 24/7 Customer First
Exclusive
24/7 Customer First
Technical Support line.
24-hours a day, nights, weekends and holidays when you are most likely to be working on your car.
Experience
ProFormance Powertrain's
24/7 Customer First
is manned by experienced enthusiasts with years of installation experience.
Warranty
Industry leading 24-month warranty from date of installation with 2-year installation grace period.  Includes
24/7 Customer First
Tech Support.
Shipping
--Domestic and International shipping experts.
--Most orders ship complete within
24-hours. 
--Fast freight and overnight service available on all purchases.
   
Contacts