Upgrade your GM LS-based engine with our Jackpot stand-alone system. This advanced self-learning EFI kit offers dual WBO2 sensors, closed-loop fuel control, multi-coil outputs, and more, all packed into an affordable bundle. What's more, remember that the first buyer of the Jackpot Pro LS Engine and Trans Control each day will receive a 7-inch handheld display dash, absolutely free! Offer ends at the end of the month so don't miss out! #Aces #AcesEFI #acesfuelinjection #jackpot #freeaccessories