Description
Part Number: 78934
FiTech Ultimate LS 1000 HP EFI Master Kit with Short LS3 Intake
Complete high-performance LS EFI conversion kit rated for up to 1000 HP, complete with short LS3 port intake manifold, 102mm throttle body, Go Fuel dual pump in-tank module, and Go Spark LS3 ignition coils.
Key Features & Benefits
- ☑ Supports high-horsepower LS builds up to 1,000 HP with boost and nitrous compatibility
- ☑ Fabricated short LS3 port intake manifold in black anodized aluminum for low profile hood clearance
- ☑ 102mm billet aluminum throttle body with GM LS2 4-bolt pattern flowing up to 1,500 CFM
- ☑ High-flow 80 lbs/hr fuel injectors for precise fuel delivery across all engine speeds
- ☑ Go Fuel In-Tank Dual Pump Module featuring twin 340 LPH pumps and 2″ fill neck
- ☑ Go Spark LS3 style coil 8-pack master kit for strong, high-output ignition spark
- ☑ Touchscreen handheld programmer with self-learning ECU calibration technology
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 78934 |
| Horsepower Rating | Up to 1,000 HP |
| Intake Style | Short LS3 Port Injection (Multi-Port) |
| Intake Material & Finish | Black Anodized Fabricated Aluminum |
| Throttle Body Flange | GM LS2 4-Bolt, 102mm (1,500 CFM) |
| Fuel Injector Size | 80 lbs/hr |
| Fuel Delivery Module | Go Fuel In-Tank Dual Pump (Twin 340 LPH) with 2″ Fill |
| Fuel Pressure Regulator | Go Fuel Regulator with Integrated Pressure Gauge |
| Ignition System | Go Spark LS3 Style Coil 8-Pack Master Kit |
| Power Adder Compatible | Yes (Boost / Nitrous Oxide) |
What's Included in the Box
- FiTech Short LS3 Fabricated Aluminum Intake Manifold
- 102mm Throttle Body with Integrated TPS & IAC Sensors
- 8x 80 lbs/hr Fuel Injectors & Billet Fuel Rails
- Go Fuel In-Tank Dual Pump Module (Twin 340 LPH Pumps, 2″ Fill)
- Go Fuel External Pressure Regulator with Pressure Gauge
- Go Spark LS3 Style Ignition Coils (8-Pack)
- Self-Learning ECU & Plug-and-Play Wiring Harness
- Handheld Touchscreen Tuning Controller & Connection Cable
- Wideband Oxygen Sensor with Weld-In Bung
Engineered for ultimate LS performance swaps, the FiTech 78934 Master Kit combines superior throttle response and maximum airflow with complete fuel and spark management. Supplied with full technical support and fast dispatch throughout the UK from JP Racing.







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