This is a motor mount drilled and tapped to fit O.S. engines listed below. Includes all hardware necessary for mounting the engine to a firewall and to mount the engine onto the mount. There is no hole drilled for a nose gear. INCLUDES: Four engine mounting screws (to secure the engine to the mount) Four lock washers (for the engine mounting screws) Four blind nuts (they fit into the firewall) Four motor mount screws (to secure the mount to the firewall) One L-wrench for the screws SPECS: Type of Material: All Aluminum mount with Steel screws and washers Type of Mount: Backplate style, Flat Plate mount Directly fits: FT-1.20 II (Gemini II, 4-stroke twin cylinder) FT-1.60 (Gemini 160, 4-stroke twin cylinder) FF-320 (Pegasus, 4-stroke flat 4 cylinder)OS EnginesPart OSM71910000