Just as stated I have a 1 month old Zex efi v8 dry n2o kit for sale . Kit comes complete with a upgraded big shot n2o solonoid capable of 175 shot with #4 line . I am including a nos purge , autometer phantom n2o and fuel psi gauges and all wiring needed for the install . iam asking 450.00 and can arrange install for another 150.00 I will also include a full bottle of spray and 1 refill with the kit Chris 727-512-8166