Brand New TREMEC TKX Stuck In Gear? Let’s Fix It. How To Align Shift Rail Lugs.
Got a new TREMEC TKX 5-Speed and it seems like it is stuck in gear? It’s an easy fix! What is happening and why is…
Category: Blog
American Powertrain™ Introduces Pro Fit TKX 5-Speed and Magnum 6-Speed 2WD Conversion Kits for 1999-06 Chevy/GMC NBS GMT800 Trucks
Now in stock. Designed to keep the stock appearance with precision fit. COOKEVILLE, TN (March 25, 2026) – American Powertrain™, a leading source for modern overdrive systems,…
2026 American Powertrain Event Schedule
American Powertrain is hitting the road again soon and coming to an event near you including some fresh additions to our schedule to mix it…
Gear Rollover Noise
How to Reduce Tremec Transmission Gear Rollover Noise: A Technical Guide For enthusiasts running Tremec manual transmissions—TKX, Magnum, Magnum XL, and TR-series units—gear rollover noise…
American Powertrain™ Introduces 4-speed Toploader Transmission Hydraulic Clutch Kits Designed for First Gen Mustangs
Vehicle specific kits paired with MalWood Under Dash hydraulic pedals for 1964 – ‘66, 1967 – ‘68 and 1969 – ‘70 Mustangs Cookeville, TN (February 25,…
2025 American Powertrain Show Schedule
We are back on the road for 2025! Here is our event schedule. Keep checking back for updates as we may add more to the…
TR-6060 Vs TREMEC Magnum and Magnum XL: Which one is right for your car?
Tremec has been building OE 6-speed manual transmissions for years now. That means the salvage yards have been filled with them for some time. With…
American Powertrain™ and TREMEC® Announce Winner of Hot Rod Power Tour Grand Prize
Jessika Pownall receives a TREMEC Transmission and American Powertrain Conversion Kit Cookeville, TN (June 20, 2024) – American Powertrain™, the nation’s leading distributor of TREMEC®…
American Powertrain™ Adds GearStar™ Automatic Transmissions for Ford, Chevy, and Mopar
Overdrive Automatic Transmissions Available Now Cookeville, TN (May 1, 2024) – American Powertrain™, the nation’s leading distributor of TREMEC® manual transmissions, has now added to…
American Powertrain™ Introduces ProTwin Disc Clutch for GM, Ford and Mopar
1100 ft/lbs of torque capacity and easy operation for maximum performance Cookeville, TN (March 26, 2024) — American Powertrain™ now offers a high- performance twin…
