The JASPER® Remanufactured GM V8 with DFM-Delete Option
Jasper Engines & Transmissions offers a late-model remanufactured GM V8 engine with a DFM-Delete option. This option is available for 5.3L and 6.2L engines. Please click the above image to watch a video on JASPER’s remanufactured GM V8 with the DFM-Delete option. So, what’s the difference between the DFM and the first-generation AFM engine? AFM, or Active Fuel Management, is a system that deactivates four cylinders at a time. So, four cylinders are fitted with deactivation...


