Holley | Sniper EFI Stealth 4500 Throttle Body System

Holley – Sniper EFI Stealth 4500 System

Description

The Holley Sniper EFI Stealth 4500 (550-841) is a throttle body EFI system specifically designed for high-performance dragster and Pro-Street applications, in shiny finish. Featuring 8 x 100 lb/hr injectors at 58.5 PSI and a 4500 flange, it supports 800 to 1,500 HP naturally aspirated or 800 to 1,250 HP on forced induction (draw or blow-through). The throttle body flows 1,440 CFM with a 2.125 in. bore. The self-tuning ECU features integrated ignition timing control, programmable launch control (2-step), -8AN fuel inlets, and a Bosch LSU 4.9 wideband O2 sensor for real-time fuel map learning. A USB/CAN cable and free downloadable Sniper EFI software are included.

Specifications

• Brand: Holley
• Part Number: 550-841
• Finish: Shiny
• Flange: 4500 (Gen 3 Ultra Dominator style, 4-bolt)
• Injectors: 8 x 100 lb/hr @ 58.5 PSI
• Max Power: 800–1,500 HP (NA) / 800–1,250 HP (forced induction)
• Flow Rate: 1,440 CFM, 2.125 in. bore
• Fuel Inlets: -8AN
• Programmable Launch Control (2-step/timing retard): Yes
• Bosch LSU 4.9 Wideband O2 Sensor: Included
• Condition: New
• Sold and shipped by GBP Performance

Note:

• Livraison GRATUITE / FREE Delivery