FMX 73 Gearbox Reprogramming Kit

The super-efficient TransGo Performance Reprogramming Kit is designed for FMX automatic transmissions in 1973-1975 Ford passenger cars equipped with the dual diaphragm modulator , and 1973-1974 F350-F600 trucks with the single diaphragm modulator .

The kit significantly increases the durability and efficiency of the transmission, transforming a smooth, standard automatic into a powerful, fast, and durable unit. Firm and precise gear shifts minimize slippage, reduce operating temperatures, and protect components such as belts and clutches from wear and burnout.

Key features and benefits:

✔ Increased line pressure – noticeably firmer, faster and more reliable gear changes.
✔ More than doubles the life of the gearbox under heavy loads.
✔ Eliminates soft, slippery gear shifts that generate excessive heat and wear.
✔ New compensating valve – solves the problem of slow or no pressure increase.
✔ Reduces/eliminates overheating of belts and clutches .
✔ Possibility of installation without dismantling the gearbox .
✔ The kit includes seals and adjustment elements , full assembly instructions included.