LS Gold Box & TCU Package


Package includes the following items:

-EFI Source LSX MS3 GOLD BOX Plug and Play kit (specify 24X/58X)

-Microsquirt Plug and Play Trans Control Unit (specify 4L60E/4L80E)

  • -1 EFI Source sticker
  • -1 EFI Source T shirt

After placing your order, please email us at with your order number and specify 24X or 58X and 4L60E or 4L80E.


***Please note there is a 6-10 business day handling time on this item***


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