TBI Systems

Killshot Fusion

4-bbl EFI systems with an internal ECU designed for Classic engines with a 4150-style flange.

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Killshot Fusion (Flash Sale)Aces Fuel Injection, Inc. Killshot Fusion
Killshot Fusion (Flash Sale) Sale price$499.99 Regular price$999.99
Killshot Fusion Ultra Kit (Flash Sale)Killshot Fusion Ultra Kit (Flash Sale)
Killshot Fusion Ultra Kit (Flash Sale) Sale priceFrom $1,031.99 Regular price$1,616.76
Killshot Fusion EFI SystemKillshot Fusion EFI System
Killshot Fusion EFI System Sale priceFrom $549.99 Regular price$999.99
Killshot Fusion Fuel KitsKillshot Fusion Fuel Kits
Killshot Fusion Fuel Kits Sale priceFrom $709.01 Regular price$1,225.78
Killshot Fusion Top End KitsKillshot Fusion Top End Kits
Killshot Fusion Top End Kits Sale priceFrom $845.47 Regular price$1,390.97
Killshot Fusion Master KitsKillshot Fusion Master Kits
Killshot Fusion Master Kits Sale priceFrom $1,031.99 Regular price$1,616.76

Killshot 2

4-bbl EFI systems with an external ECU designed for Classic engines with a 4150-style flange

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Killshot 2 Pro Ultra Kit (flash sale)Killshot 2 Pro Ultra Kit (flash sale)
Killshot 2 Pro Ultra Kit (flash sale) Sale priceFrom $1,174.49 Regular price$2,216.76
Killshot 2 Pro EFI SystemKillshot 2 Pro EFI System
Killshot 2 Pro EFI System Sale priceFrom $699.99 Regular price$1,599.99
Killshot 2 Pro Fuel KitsKillshot 2 Pro Fuel Kits
Killshot 2 Pro Fuel Kits Sale priceFrom $851.51 Regular price$1,825.78
Killshot 2 Pro Top End KitsKillshot 2 Pro Top End Kits
Killshot 2 Pro Top End Kits Sale priceFrom $987.97 Regular price$1,990.97
Killshot 2 Pro Master Kits (Black)Killshot 2 Pro Master Kits (Black)
Killshot 2 Pro Master Kits (Black) Sale priceFrom $1,174.49 Regular price$2,216.76
Killshot 2 Pro Master Kits (Polished)Killshot 2 Pro Master Kits (Polished)
Killshot 2 Pro Master Kits (Polished) Sale priceFrom $1,174.49 Regular price$2,216.76

Royal Flush Series

4-bbl EFI systems with built-in CDI, designed for Classic engines with a 4150-style flange

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Royal Flush EFI/CDIRoyal Flush EFI/CDI
Royal Flush EFI/CDI Sale priceFrom $939.99 Regular price$1,799.99
Royal Flush Fuel KitsRoyal Flush Fuel Kits
Royal Flush Fuel Kits Sale priceFrom $1,079.51 Regular price$2,025.78
Royal Flush Top End KitsRoyal Flush Top End Kits
Royal Flush Top End Kits Sale priceFrom $1,215.97 Regular price$2,190.97
Royal Flush Master Kits (Black)Royal Flush Master Kits (Black)
Royal Flush Master Kits (Black) Sale priceFrom $1,402.49 Regular price$2,416.76
Royal Flush Master Kits (Polished)Royal Flush Master Kits (Polished)
Royal Flush Master Kits (Polished) Sale priceFrom $1,402.49 Regular price$2,416.76
Royal Flush Master Kits (Gold)Royal Flush Master Kits (Gold)
Royal Flush Master Kits (Gold) Sale priceFrom $1,402.49 Regular price$2,416.76

Deuces Wild Series

2-bbl EFI systems designed for Classic engines with a 2300-style flange

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Deuces Wild 2-bbl EFIDeuces Wild 2-bbl EFI
Deuces Wild 2-bbl EFI Sale priceFrom $611.99 Regular price$999.99

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Head to Head

Read below to see the basic differences between each of our TBI systems for classic engines.

Deuces Wild 2-bbl EFI
Deuces Wild 2-bbl EFI Sale priceFrom $611.99 Regular price$999.99
Killshot Lite EFI System
Killshot Lite EFI System Sale priceFrom $595.99 Regular price$899.99
Killshot Fusion
Killshot Fusion Sale priceFrom $549.99 Regular price$999.99
Killshot 2 Pro EFI System
Killshot 2 Pro EFI System Sale priceFrom $699.99 Regular price$1,599.99
Royal Flush EFI/CDI
Royal Flush EFI/CDI Sale priceFrom $939.99 Regular price$1,799.99
In a nutshell

A 2-bbl, 2300 style flange EFI system for classic engines under 350 hp

A 4-bbl, 4150 style flange EFI system designed specifically for stock 350 SBCs with HEI ignition under 450 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

External

Internal

External

External

Max supported hp (NA)

350

450

650

650 single quad and 1,200 dual quad

650 singe quad

Self-learning

Yes, for stock-mild builds

Yes, for stock builds

Yes, for stock-mild builds

Yes, for stock-mild builds

Yes, for stock-mild builds

Fully Tunable

Yes

No, this one is intended for stock builds

Yes

Yes

Yes

Kit Options Available
  • 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
  • Standalone Kit
  • Fuel Kit
  • Top End Kit
  • Master Kit