Holley's Sniper Stealth 4150 Master Kit seamlessly combines carburetor styling with Sniper functionality, offering a cost-efficient way to upgrade your ride to fuel injection with just 4 simple connections. Elevate your build with improved engine performance, enhanced MPG, and easier starting. This kit supports up to 650hp naturally aspirated and 600hp boosted with Four 100 Lb/Hr injectors!
No need to be a computer whiz or tuning professional to run a Sniper kit on your build. Simplicity is our goal! Our calibration wizard lets you answer a few questions about your engine, and the system will begin self-tuning without requiring a laptop. Utilize the high-resolution 3.5" full-color touchscreen for tuning and gauge displays. The Stealth 4150 also features transmission kickdown provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications.
The 4150 includes a comprehensive fuel system with all necessary hardware to return fuel to your tank. Additionally, you receive a 4.9 wideband oxygen sensor with a leak-free oxygen sensor, OEM style TPS/IAC, fuel pressure regulator, all Stainless Steel T-Bolt clamps, and a Stainless Steel weldable flange.
But your EFI journey doesn't end with the conversion! Sniper is an ecosystem! This kit seamlessly pairs with Holley's Sniper Hyperspark Ignition, Fuel Systems, Air Cleaners, Throttle Body & Digital Dash to unleash the full potential of your build.
Part # 34-42 is required for a bolt-in installation.
Features:
- Bolt-on 4150 Flange Carburetor Replacement
- Simple Calibration Wizard (answer a few questions about your engine, and it creates the base map, then starts tuning on its own!) - NO laptop required!
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- Only 4 Wiring Connections Required! (Battery +, Battery -, Switched Ignition & RPM)
- Supports up to 650hp with Four 100 Lb/Hr Injectors!
- Throttle body-mounted ECU – no extra boxes to mount
- High-Resolution Full-Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- All wiring exits below the rear fuel injector cover for a completely stealthy installation.
- Timed spark part for vacuum-advanced distributors located under the front fuel bowl for easy access to the distributor.
- Air entry machined to fit most stock-style air cleaners with air cleaner locator provisions.
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
- Integrated ignition timing control
- Included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
- Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak-free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
