FX, MX, FMX

Fits all FMX 1973-81

For heavy duty and performance applications

This TransGo high performance valve body Reprogramming Kit fits 1973 to 1975 passenger cars with dual diaphragm modulator. It also fits a973 and 1974 F350 to F600 trucks with single diaphragm modulator.

This kit transforms a good working stock automatic transmission into a rugged, responsive, high performance unit and will more than double the life of your transmission under high load conditions. There’s no reason to lose precious efficiency with soft shifts that generate heat and consume horsepower.

Features:

• Raises overall line pressure for firmer upshifts

Corrects/Prevents/Reduces:

• New compensator valve to correct slow or no pressure rise
• Band and clutch burn-up

TransGo Installation Instructions