TREMEC TKX 5-Speed, TREMEC T-5 5-Speed, and TREMEC Magnum 6-Speed PerfectFit™ Kits are the simplest and most cost-effective way to convert to a modern overdrive. Silver Sport Transmissions CNC machines the case and tailhousings of our transmissions to streamline them as much as possible. Our compact shifters provide the best fit and shift quality available.
Our PerfectFit™ Conversion Kits come with all the parts necessary to convert your Ford or Mercury car or truck into a modern overdrive 5 or 6-Speed. Don't just compare our kit prices by the bottom line! Compare each item, you may find other companies have left off some important parts, either because they're not available or come at extra cost. SST is proud to offer the most complete conversion kits available with no fine print.