Manuals for Holley Automobile Parts Model Document 0-4412C Installation, Tuning, And Adjustment Manual 0-4412S Installation, Tuning, And Adjustment Manual 0-7448 Installation, Tuning, And Adjustment Manual 37-1547 Manual Carburetor none Installation Instructions NOS 05177NOS Owner's Manual Sniper EFI 550-510 Quick Start Manual Sniper EFI 550-511 Quick Start Manual Sniper EFI 550-516 Quick Start Manual