Ideal for V8 Swaps for any ’82-’05 Chevy S-10/S-15/Blazer/Jimmy
Cookeville, TN (February 13, 2025) – American Powertrain®,the nation’s leading distributor of TREMEC® transmissions and the source of modern overdrive systems for muscle cars, classic trucks, and customs, introduces a 5-speed TREMEC Pro-Fit TKX transmission conversion kit for 1982-’05 Chevy S-10 / GMC S-15 pickups and SUVs. The kit, designed to be a turnkey swap, works for most any LS or GM V8 conversion to 5-speed and includes a new streamlined TREMEC Pro-Fit TKX 5-speed transmission that touts 8,000 RPM shift capability and 600 lb-ft of torque capacity.
Also included with American Powertrain’s kit is a White Lightning Billet TKX Mid-Shift conversion that is designed for a factory tunnel fitment and features a crisp, short throw shift. Other kit features include a Hydramax hydraulic clutch bearing, and hydraulic clutch pedal assembly, driveshaft, polyurethane transmission mount, pilot bearing for LS engines (SBC/BBC swaps), reverse light harness, speedometer (electronic or mechanical), shifter knob in addition to all hardware, instructions and warranty. A custom kit for automatic conversions is available.
TREMEC’s Pro-Fit TKX transmission gear ratios:
Wide Ratio – 3.27, 1.98, 1.34, 1.00, 0.72
Close Ratio – 2.87, 1.89, 1.28, 1.00, 0.68 OR 0.81 5th
Matt Graves, American Powertrain Marketing and Sales Director says, “If you are looking for fast and precise shifting capability and increased gear widths for your S-10 or S-15, this kit has it all. We also have a complete kit for S-10 Blazer and Jimmy. Anyone making the move from automatic, or the stock manual transmission, will like the smooth shifting and increased torque capacity. Don’t miss out on the fun. You will be impressed with the fit and performance. Our team is available to answer questions and make sure you have a customized solution for what you want.”

1982-2005 Chevy S-10/S-15 Truck TKX 5-speed kit
1982-05 Chevy S-10/GMC S-15 TREMEC TKX 5-speed kit.
Kit includes:
NEW Tremec TKX 5-speed with streamlined case and 8000 rpm shift capability.
AP White Lightning Mid-Shift Conversion
Crossmember
Driveshaft Slip Yoke Transmission Mount – Polyurethane
Pilot Bearing
Reverse Light Harness
Speedometer Conversion – Mechanical or Electronic
Shifter Knob
Hardware, Instructions, Warranty
Select Gear Ratio Below
To request a quote for American Powertrain’s first or second-gen S-10/S-15 TREMEC TKX 5-speed conversion kit, visit americanpowertrain.com. To speak with one of American Powertrain’s highly qualified sales technicians, call 931-646-4836. For more information about the ordering process view this video.