Gate Titan Ready Krytac Nautilus V2 Gearbox Shell - no modifications needed to install a gate titan. Just took it out of my krytac to replaced it with a RA split box...includes Laylax for krytac bearings and stainless steel gearbox screws (not the soft krytac ones). Can also include the selector plate and the full ambidextrous fire mode selector assembly for free. Price does not include shipping or PayPal fees