This kit contains all the parts needed to upgrade your Thrasher LR to full Thrasher XP specs -2 Power Bilge Pumps -XP Impeller -XP Vortex Pump assembly with adjustable thrust cone -Ride Plate -Steering rod All parts for the pump assembly come pre-assembled in the kit. It takes 20-40 minutes to install. Tools Needed: T6, T8, and T10 drivers.