Aces Killshot II 4-BBL EFI System

The Killshot II 4-BBL EFI System is more than just an upgrade—it' s a complete evolution of throttle body fuel injection. Over the past two years, we' ve gathered real-world feedback from tuners, racers, and street enthusiasts to refine and improve every aspect of the original Killshot system. The result is an EFI system that is more powerful, more versatile, and easier to install and tune than ever before. If you' re still running a carburetor, it' s time to ask yourself: Why settle for outdated technology when EFI offers superior drivability, reliability, and performance? Unlike carburetors, EFI systems automatically adjust fuel delivery based on real-time conditions, meaning no more hesitation, no more cold start issues, and no need to constantly re-jet for changing weather or altitude. With Killshot II, you get precision fuel control, improved throttle response, and seamless adaptability, whether you' re on the street, track, or strip. At the heart of the Killshot II is a high-perf