Holley | 4150 Sniper Stealth

Holley – Sniper Stealth 4150 EFI System

Description

The Holley Sniper Stealth 4150 EFI system (550-872) is a bolt-on carburetor replacement for 4150-flange applications, finished in classic gold. It features 4 x 100 LB/HR fuel injectors supporting up to 650 HP naturally aspirated or 600 HP on forced induction. The ECU is mounted directly on the throttle body, eliminating any additional control boxes. The system delivers complete ignition timing control, real-time fuel self-learning, and improved idle stability and wide-open throttle performance. Transmission kickdown provisions are included for GM TH350/400, 200R4/700R4 and Ford C4/C6. The master kit includes an external fuel pressure regulator preset to 58.5 PSI, 20 ft of 3/8 in. Vapor Guard fuel hose, a fuel pump, filters, and a bulkhead fitting for fuel return to the tank.

Specifications

• Brand: Holley
• Part Number: 550-872
• Finish: Classic gold
• Flow Rate: 870 CFM
• Injectors: 4 x 100 LB/HR
• Supported Power: up to 650 HP NA / 600 HP forced induction
• Flange: 4150 (bolt-on replacement)
• Fuel Pressure: 58.5 PSI (preset regulator included)
• Transmission Provisions: TH350/400, 200R4/700R4, Ford C4/C6
• Integrated ignition timing control
• Throttle body-mounted ECU (no extra boxes)
• Compatibility: universal 4150 flange (See Application Section)
• Condition: New
• Sold and shipped by GBP Performance

Note:

• Livraison GRATUITE / FREE Delivery