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 Series

Product comparison

See the differences between the various TBI systems we sell.

Deuces Wild 2 (2-bbl) EFI
Deuces Wild 2 (2-bbl) EFI Sale priceFrom $709.99 Regular price$1,199.99
Killshot Fusion EFI System
Killshot Fusion EFI System Sale priceFrom $589.99 Regular price$999.99
Killshot 2 Pro EFI System
Killshot 2 Pro EFI System Sale priceFrom $789.99 Regular price$1,799.99
Royal Flush EFI/CDI
Royal Flush EFI/CDI Sale priceFrom $989.99 Regular price$1,899.99
In a nutshell

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.

ECU Type

External

Internal

External

External

Max supported hp (NA)

350

650

650 single quad and 1,200 dual quad

650 singe quad

Self-learning

Yes, for stock-mild builds

Yes, for stock-mild builds

Yes, for stock-mild builds

Yes, for stock-mild builds

Fully Tunable

Yes

Yes

Yes

Yes