Fuel Injection Kit

Holley 550-871K Sniper Stealth 4150 Self-Tuning Fuel Injection System Master Kit. Sniper Stealth 4150 Self-Tuning Fuel Injection System Master Kit. Supports Up to 650 HP. Controlled by 3.500 in. Complete Fuel System Included. For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. Sniper Stealth 4150 Self-Tuning Fuel Injection System Master