Holley's Sniper Stealth 4150 Master Kit seamlessly merges carburetor styling with the cutting-edge functionality of the Sniper, offering a cost-efficient way to upgrade your ride to fuel injection with just 4 simple connections. Elevate your build to new heights and enjoy enhanced engine performance, improved 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. We prioritize simplicity! 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.
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.
Features:
- Bolt-on 4150 Flange Carburetor Replacement
- Self-tuning ECU for EFI without requiring advanced computer/tuning skills
- Simple Calibration Wizard for easy setup (no laptop required!)
- High-Resolution Full-Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- Only 4 Wiring Connections Required! (Battery +, Battery -, Switched Ignition & RPM)
- Throttle body-mounted ECU – no extra boxes to mount
- Supports up to 650hp with Four 100 Lb/Hr Injectors!
- Wiring exits below the rear fuel injector cover for a stealthy installation.
- Timed spark part for vacuum advanced distributors located under the front fuel bowl for easy distributor access.
- 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 (e.g., 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 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
- Available in 3 finishes: Shiny, Black, and coming soon, Gold
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
