The Muncie Hydra Shift Solenoid Kit / Cylinder Assembly is the perfect choice for those looking to upgrade their vehicle's transmission system. This kit includes a high-quality solenoid and cylinder assembly that is designed to withstand heavy use and extreme conditions without breaking down or failing. The solenoid and cylinder assembly provide faster and more precise tailgate movement, allowing for smoother gear changes and improved performance. FleetPride is your First Click in Heavy Duty®.