NOSTALGIA VT 3IN SPEEDO 140 MPH

The Holley EFI Terminator X Stealth 4150 EFI system (part number 550-1061) supports up to 650 HP naturally aspirated or 600 HP on forced induction applications, utilizing four 100lb./hr. fuel injectors. It features a self-learning Terminator X ECU with integrated ignition timing control, providing improved idle stability, drivability, and horsepower. This system includes transmission kick down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6, with Terminator X Max kits offering plug-and-play transmission control for GM 4L60 and 4L80 Transmissions. It is designed for GM LS engines with a 4150 flange.