Holley Sniper 550-511K EFI Black w/Fuel Supply/Dist Kit, SBC/BBC

Breathe new life into your Small Block Chevy or Big Block Chevy engine with this easy-to-install fuel injection/distributor ignition kit!

Kit Includes:

• (1) Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit
• (1) Holley 565-200 EFI Dual Sync Distributor, SBC & BBC
• (1) Holley Sniper 558-493 EFI Dual Sync Distributor Harness
• (1) Chevy Distributor Clamp

Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit

• Holley Sniper EFI Master Kits include everything you will need to get your new Sniper EFI throttle body setup and running on any of your vehicles
• Master Kits include 20 feet of 3/8" EFI fuel hose, in-line electric fuel pump, pre and post filters, return bulkhead, and all of the needed fuel fittings and hardware to get your system plumbed, wired up and running in no time
• 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
• Black finish

Holley 565-200 EFI Dual Sync Distributor, SBC & BBC

• Plug and Play with Holley EFI
• Includes both crank and cam sensors to support sequential EFI operation
• Hall Effect sensor design provides precise timing control and noise immunity
• CNC machined billet aluminum housing
• Integrated LEDs allow for easy setup
• Available for popular applications
• Comes with hardened steel distributor gear
• Precision machined shutter wheel designed for improved accuracy at extreme engine RPM
• Shutter wheel is pinned and welded to distributor shaft for superior reliability
• Blank cap available for Coil-On-Plug applications

Holley Sniper 558-493 EFI Dual Sync Distributor Harness

• Quite literally a snap to put in - Plug and play installation
• Simply plug both connectors in and you are finished!
• The pink wire will need to be terminated to a 12 volt ignition source as well

Chevy Distributor Clamp

• Extra heavy duty distributor clamp
• Gives more hold-down area for your Small Block Chevy (SBC) or Big Block Chevy (BBC)

Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit (more details)

Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. Economically priced to save your hard earned money for other parts of your build; Holley Sniper EFI is a self-tuning, plug and play fuel injection system that takes all the trouble and guesswork out of your switch to modern electronic fuel injection. With over 100 years of building quality fuel systems, you can trust Holley Sniper with all your electronic fuel injection needs!

Holley Sniper EFI is packed with all the features that your car or truck needs. This throttle body fuel injection replaces any square bore or spread bore style 4-barrel carburetor. The built in ECU keeps the wiring neat and tidy with no need to run the computer and associated wiring back into the cab of the vehicle. Connect the 4 necessary wires and you're good to go. The self-learning ECU takes care of setting the baseline tune while the full touchscreen display allows you to fine tune as you please. Sniper EFI throttle bodies utilize OEM style TPS and IAC modules for dependable and serviceable use. Life is too short to hassle  with cold start issues, hesitations, flooding, and carburetor inconsistencies. Leave that old 4-barrel to rest and bring in a new era of performance, reliability, and fun with a Holley Sniper EFI system!

Holley 565-200 EFI Dual Sync Distributor, SBC & BBC (more details)

Quickstart Guide (PDF)

Instruction Manual (PDF)

Wiring Instructions (PDF)