Sniper 550-510-3AX - Holley 2 EFI Upgrade Kit - Polished

Sniper - 550-510-3AX

Holley Sniper 2 EFI Upgrade Kit - Polished

Base upgrade kit without fuel system

If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI.

• Main Features
• Update your Sniper EFI to the new, improved Sniper 2 in less than one hour!
• Eliminates the need to rewire your existing Sniper EFI installation - one step, plug and play upgrade to a Sniper 2 throttle body
• Improve your ride with the benefits of Sniper 2, including wireless connectivity (coming late 2023), smoother throttle feel, improved RF interference resistance, hidden wiring harness and more
• Four total kits available – polished and black, with or without external fuel pressure regulator (required for Sniper 2)
• Reuses existing coolant temperature and wideband oxygen sensors
• All new design – the #1 EFI Conversion just got better!
• Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
• Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
• Redesigned throttle shaft and plate geometry for a smoother throttle feel
• Sniper 2 is Part of the Sniper EFI Complete Ecosystem
• Sniper 2 is compatible with the complete Sniper EFI Ecosystem that includes plug-n-play Hyperspark Ignition systems (coil, ignition box and distributor), fuel systems (fuel lines, fuel pump hangers), multiple displays and more
• Available with fuel system kits: that include an adjustable external regulator, fittings, and a 3’ section of fuel hose, allowing you to easily mount your regulator in the engine bay
• Additional Features
• (NEW) Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
• (NEW) “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance
• (NEW) Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
• (NEW) Redesigned injector connector for improved reliability
• (NEW) Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
• (NEW) Next Generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection
• (NEW) Cast-in fuel crossover from the primary to secondary fuel rail
• (NEW) Sniper 2 throttle bodies are serialized in house, which provides each unit a birth certificate for an improved customer service and warranty experience in the event of any unit needing to be inspected
• Patent Pending