Holley; Sniper; EFI; Quadrajet; Self-Tuning; Fuel Injection Conversion Kit; w/ Inline Pump Fuel System; Classic Gold Finish

Are you tired of rebuilding the 50+ year old Rochester Quadrajet™ (Q-Jet) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? Introducing Sniper EFI Quadrajet™. The first bolt on spread bore electronic fuel injected throttle body system that does not require any additional adapters, sealing plates, or intake manifold swaps!

The Sniper EFI Rochester Quadrajet™ (Q-Jet) system retains the same great features as the 4150 Sniper EFI version such as; four 100lb/hr Injectors, built in timing control, a 3.5" full color touchscreen and much more! The throttle body will support up to 500 horsepower naturally aspirated.

In addition to all of these great tried and true features, the Sniper EFI Rochester Quadrajet™ (Q-Jet) system will fit most stock air cleaners and offers multiple fuel inlet configurations that allow for a stock appearing installation!

• Designed to deliver the signature Rochester Roar at Wide Open Throttle
• Throttle body mounted ECU - no extra boxes to mount
• Supports up to 500hp with Four 100 Lb/Hr Injectors
• Only 4 Wiring Connections Required (Battery +, Battery - , Switched Ignition & RPM)
• Integrated ignition timing control
• Transmission provisions on throttle lever for TH350/TH400 and 200R4/700R4
• Fits most stock Rochester Quadrajet™ (Q-Jet) air cleaners
• Brake Booster adapter included, if required
• Universal Throttle and transmission kickdown bracket included
• High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
• 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

• Sniper EFI Throttle Body Assembly (Includes ECU, fuel injectors, Manifold Air Pressure (MAP) sensor, Throttle Position Sensor (TPS), Manifold Air Temp Sensor (MAT), and an Idle Air Control Valve (IAC)
• 3.5" Touch Screen Controller
• Hardware and gaskets for mounting throttle body to intake manifold
• Bosch Wide Band Oxygen Sensor
• Clamp-on Oxygen Sensor Bung
• Coolant Temperature Sensor
• Output Harness
• Main Harness and Ignition Adapter

• Finish: Classic Gold
• Flange Style: Spreadbore
• Fuel Pressure: 58.5 PSI
• Height: 3.28"
• Injector Size: 100 lb/hr @ 58.5 PSI
• Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)
• MAP Sensor: 2 Bar
• Max Horsepower Rating: 500 Naturally Aspirated
• Throttle Bore: 1.375" Primary / 2.00" Secondary
• Transmission: 700R4/200R4

Important: Not for use on pollution controlled vehicles. See Emission Notes below.

Note: Requires external fuel pressure regulator, such as: H12886 or H12879 (sold separately).

For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions control regulations were imposed. Check your state law before ordering.

For Racing Use Only: This product is intended for vehicles that are exclusively designated as a racing or off-road vehicle only. This product is not legal for use on vehicles that are operated on public highways. Not for use on a street-driven vehicle.

• 1965 and Older, USA Manufactured, California Certified Vehicles
• 1967 and Older, USA Manufactured, Federally Certified Vehicles