Throttle Body Injection
For Classic Engines
4-bbl EFI up to 650 HP
Killshot Series
Self-learning EFI systems for classic small/big block engines.
View Killshot Series
4-bbl EFI + CDI up to 650 HP
Royal Flush Series
Self-learning EFI systems with integrated CDI for classic small/big block engines.
View Royal Flush Series
2-bbl EFI up to 350 HP
Deuces Wild Series
2-barrel self-learning EFI systems for classic small/big block engines.
View Deuces WIld SeriesKillshot Fusion Series
4-bbl EFI systems with an internal ECU designed for Classic engines with a 4150-style flange.
Killshot 2 Pro Series
4-bbl EFI systems with an external ECU designed for Classic engines with a 4150-style flange.
Royal Flush Series
4-bbl EFI systems with built-in CDI, designed for Classic engines with a 4150-style flange.
Deuces Wild Series
2-bbl EFI systems designed for Classic engines with a 2300-style flange.
Product comparison
See the differences between the various TBI systems we sell.




A 2-bbl, 2300 style flange EFI system for classic engines under 350 hp
Simpler version of the Killshot 2 Pro with an internal ECU for a cleaner engine bay. No dual quad option 😢
A 4-bbl, 4150 style flange EFI system for classic engines under 650 hp (single quad) or 1,200 hp (dual quad). 2nd gen ECU has larger tuning tables than other systems.
A 4-bbl, 4150 style flange EFI system for classic engines under 650 hp with built in CDI, 2-step, and launch control.
External
Internal
External
External
350
650
650 single quad and 1,200 dual quad
650 singe quad
Yes, for stock-mild builds
Yes, for stock-mild builds
Yes, for stock-mild builds
Yes, for stock-mild builds
Yes
Yes
Yes
Yes
- Standalone Kit
- Fuel Kit
- Top End Kit
- Master Kit
- Standalone Kit
- Fuel Kit
- Top End Kit
- Master Kit
- Standalone Kit
- Fuel Kit
- Top End Kit
- Master Kit
- Standalone Kit
- Fuel Kit
- Top End Kit
- Master Kit

























































