125/125C | Monster Transmission Parts
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Superior | GM 125 / 125C
Superior | GM 125 / 125C


Superior | GM 125 / 125C

The K500-618-L Shift Correction Package will service all 99 and up 42/44/46/47-RE units. This valve allows operating pressure to be raised for heavy-duty use without fear of setting code 1763.

26.92
$32.57
$5.65(17%)
Product Available
MT-K125-GM-125

Questions? Call Us 800-708-0087

This valve body kit deals with these problems: 

* Late shifts 
* Weak shifts 
* Band failure 
* Harsh downshifts 
* Converter shudder 
* Front seal problems.

A "Ben Law" accumulator check valve is supplied in the kit to give a much quicker release of the band when shifting into 3rd. This valve, combined with the servo return spring supplied in the kit, saves the band from premature failure.
2. A specially designed drain back valve installs into the cooler line to stop converter drainage. This is a "must" for older units.
3. The kit modifies early auxiliary valve bodies to eliminate lockup problems which are very common to these units.
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