The sonnax shift improvement module consists of three Tricumulator™ springs, designed for all E40OD and 4R100 Transmissions from 1991-2003 (where no short inner springs were used). This is by far the only shift improvement you will ever need! And “A Must For Every Rebuild ". The springs increase the..
The accumulator plate in Chrysler 45RFE, 545RFE, 65RFE, 66RFE and 68RFE units is weak and not held securely enough to withstand the action of the accumulator pistons. The OE plate flexes, causing the screws to loosen and break.
Sonnax accumulator cover plate kit 44892-01K is an upgrade over the OE ..