The Holley Sniper EFI (Electronic Fuel Injection) system is designed to modernize fuel delivery in classic and performance vehicles1.  Overview Holley sniper software free download It offers pre-programmed base calibrations suitable for most street-drivable camshafts, streamlining the initial setup process1. For more aggressive camshaft grinds, users can perform laptop tuning using the Sniper Software1.  The system’s […]