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  1. #1

    Default Roller Rockers GENIV

    Does anyone know if SLP, CRANE or other venders that make aftermarket roller rockers work on the newer GM 4.8/5.3/6.0L motors with AFM/DOD? I suppose motors from late 2008 - 2013. I don't use DOD since it has been tuned out, and I haven't seen any aftermarket covering the newer GM motors. I don't know if the valvetrain is different from GENIII or if it's still the same design.

    Any help on this subject would be greatly appreciated.

    Josh

  2. #2

    Default

    At this point there is no aftermarket manufacturer producing valvetrain parts for engines equipt with the AFM system. AFM isnt used on all of the engines you listed and non-AFM engines are still supported by parts.

  3. #3

    Default

    So all new motors equip with AFM have a different setup of valvetrain compared to a same year built motor without it?

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