Transform your Gen III/IV LS engine with the TREMEC TKX LS Swap Kit. This comprehensive package simplifies installing a modern 5-speed manual transmission, perfect for muscle cars, hot rods, and classic trucks.
The heart of the kit is the robust TREMEC TKX transmission, engineered to handle 600 lb-ft of torque and shift smoothly to 7,500 RPM. Its compact aluminum case ensures ample tunnel clearance, while the overdrive fifth gear dramatically lowers highway RPM for a quieter ride and improved fuel efficiency.
Built with all-new, OEM-quality components, the TKX delivers exceptional durability and precision. It’s designed for a professional installation, offering a significant upgrade whether you’re swapping from an automatic or replacing an older manual gearbox.
This kit provides everything needed for a complete conversion behind your LS1, LS3, 6.0L, or other compatible LS engines. Experience modern driving performance and a superior connection to your vehicle.





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