For Your A727, 904 / 998 / 999 Mopar
Torquflite Transmission:
SHIFT
IMPROVER KIT

Install with trans. in the car!

For all 3-speed TorqueFlites, 1960-up, except pre-62 Cast Iron transmissions.

Fixes mushy shifts, loss of power on launch, pump bushing burn-up, TC clutch failure, stalls in reverse when hot, converter hub failure as well as torque converter drain-back.
The kit includes valve body components and modifications designed to deliver firmer shifts as well as a better TC clutch apply. There are several innovative components in this kit. For instance, the upgraded line-to-converter feed system which helps you trans run cooler and promotes longer TC clutch life.  Also included is a unique manual valve to reduce overnight forward and reverse delayed engagement complaints due to torque converter drain back. Lastly, this kit can be installed with the transmission in your Mopar.

 Corrects/Prevents/Reduces:
> TCC slip or shudder
> Reduces converter drain-back
> Soft shifts
> Loss of power on launch
> Converter hub failure
> Pump bushing failure

Included:
USA-made hardened steel manual valve with converter charge in park provision (for 1966 and later only)
Mumbly peg (for easy detent spring and ball installation)
PR valve shim, spring seat and inner spring for line-to-converter feed provision as well as outer spring for increased pressure
Bypass valve spring
Bypass ball spring
Converter regulator valve spring

 100% Made in USA. 

Add S&H at checkout. Your choice.

Visit my eBay store for loads of Mopar goodies, and save money with combined shipping deals!

MoPar to ya!

Rick

Partial list of models and years it fits: 225 273 318 340 360 361 383 400 413 440, 426 Wedge and Hemi: Road Runner Barracuda Plymouth Dodge Chrysler Coronet Polara Fury Belvedere Satellite Challenger 'Cuda Charger Super Bee Valiant GTX R/T AAR T/A 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 and up! Layout, pix, text, graphics © 1999-2026 R. Ehrenberg