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Holley | 4150 Sniper Stealth
550-871
Holley | 4150 Sniper Stealth 550-871 | 4150 flange, 870 CFM, 4x 100LB/HR injectors, 650 HP NA, black, 700R4/200R4/C4/C6/TH350 kickdown, throttle-body ECU
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CAD $2,387.58
CAD $2,808.92
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Holley – Sniper Stealth 4150 EFI System
Description
The Holley Sniper Stealth 4150 (550-871) is a bolt-on 4150 flange carburetor-replacement EFI system in black finish, flowing 870 CFM. It features 4 x 100 lb/hr fuel injectors supporting up to 650 HP naturally aspirated or 600 HP on forced induction. The Sniper ECU mounts directly on the throttle body (no extra boxes). It includes fuel map self-learning, integrated ignition timing control, and kickdown provisions for 700R4, 200R4, Ford C4/C6, and GM TH350 transmissions. A high-pressure fuel crossover line is included. Master Kits are available with a complete fuel system (pump, filter, 58.5 PSI regulator, hose).
Specifications
- Brand: Holley
- Part Number: 550-871
- Finish: Black
- Flow Rate: 870 CFM
- Injector Flow Rate: 4 x 100 lb/hr
- Max Power: 650 HP (naturally aspirated) / 600 HP (forced induction)
- Fuel Pressure: 58.5 PSI
- Kickdown Provisions: 700R4/200R4/Ford C4/C6/GM TH350
- Throttle Body Mounted ECU: Yes
- Ignition Timing Control: Yes
- Condition: New
- Sold and shipped by GBP Performance
Note:
- Livraison GRATUITE / FREE Delivery
Compatibility (Application)
| Make | Model | Years | Engine | Notes |
|---|---|---|---|---|
| Universal | All Models | – | 4150 flange carburetor engines (870 CFM) | EFI carburetor replacement; kickdown for 700R4/200R4/C4/C6/TH350; 58.5 PSI regulator required; master kit available |
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