Holley Sniper 550-510K 4150 Self-Tuning EFI Kit/Ignition Box/Coil

Kit Includes:

• (1) Holley Sniper 550-510K EFI 4150 4-Barrel Self-Tuning Master Kit
• (1) Holley Sniper 556-152 EFI Hyperspark Ignition Coil
• (1) Holley Sniper 556-151 EFI Hyperspark Ignition Box

Holley Sniper 550-510K EFI 4150 4-Barrel Self-Tuning Master Kit

• Direct carburetor replacement
• Fits single and dual plane intake manifolds
• Naturally aspirated applications only
• Throttle body mounted ECU - no extra computers to mount or relocate
• Capable of supporting up to 650 HP
• Simple, 4 wire connection (Battery +, Battery -, Switched ignition & RPM)
• Built in pre-set fuel pressure regulator
• Integrated ignition timing control & coil driver
• Color touchscreen for easy setup and gauge displays
• Self tuning ECU means you dont have to be a computer/tuning expert to enjoy EFI
• Chrome finish

Holley Sniper 556-152 EFI Hyperspark Ignition Coil

• Designed to work with Sniper EFI – Plug and Play
• Ignition coil connector removes any doubt of loose connections at the Ignition Coil.
• Integrated Ignition Coil bracket simplifies mounting the ignition coil.
• 135mJ of spark energy when used with the HyperSpark Ignition Box, ensures complete combustion

Holley Sniper 556-151 EFI Hyperspark Ignition Box

• Designed to work with Sniper EFI – Minimal wiring required.
• 135mJ of spark energy when used with the HyperSpark Ignition coil, ensures complete combustion
• HyperSpark CD Ignition box is seal and powder coated to be installed in the harshest of locations.
• External LED on Hyperspark CD Ignition box helps verify 12v, cranking RPM, and low battery voltage.
• Very low key off current (<150 microamps), so you can rest easy that your battery won’t drain during storage periods.

Quickstart Guide (PDF)

Instruction Manual (PDF)

Wiring Instructions (PDF)