Throttle Body EFI Systems

Throttle body EFI systems that bolt on in place of a carburetor: Holley Sniper and Terminator X Stealth, FiTech Go EFI, MSD Atomic, FAST EZ-EFI, Aces Killshot and more. Narrow them down by throttle body type (4150, 4500, 2x4, 2-barrel, Quadrajet), what the kit includes and horsepower.