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Fits 1973-1981 FMX Cast Iron Case For assistance with identification of Cast Iron units "click here" .
Includes: New Compensator valve and other calibration components.
Features: Improves 1-2, 2-3 shift feel. Reduces compensator valve sticking (slow or no pressure rise). Reduces band and clutch burnup.
Installation recommendation: Experienced technician Transmission removal necessary: No