


Our 11-19 Allison master rebuild kit includes all the parts you need to rebuild your own transmission. These are the main components we use in all of our 750 horsepower rated transmissions. This kit includes a machined C3 plate to allow for additional clutches in the C3 pack, strengthening one of the weakest links in a stock Allison. It also includes a C2 hub sleeve to stiffen the hub where it tends to crack. We also include a new GM valve body separator plate with bonded gasket material.
***When using the RatioTek kit on a 2011-2019 truck, make sure your line pressure has not been modified in a TCM tune. Increasing pressure with this kit along with pressure modifications in the tune will cause catastrophic failure.***
Kit Includes:
*No C5 clutches are included in this kit. The stock clutches are generally in great condition since they are only used in first and reverse, and they will handle plenty of power.*
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