Description
2019 and Newer GM LS engines with DFM systems.
This kit includes.
-
- ( 16 ) DFM Lifters
- (4) Lifter Trays
GM revised design for 2022
GM has released the newest design of the de-act lifter for their Dynamic Fuel Management engines.
DFM lifters replace AFM
AFM engines have 4 de-act cylinders, and 4 standard cylinders. The newest DFM engines can have all 8 cylinders as de-act capable.
The new DFM lifter will work in place of previous AFM applications. The original AFM lifter will ONLY fit AFM applications