RAM Clutches 510 Adjustable Master Cylinder has been modified with an adjustable Heim-End engineered to limit travel on LS1 applications. This modification prevents the issue of over-centering the clutch. RAM Clutches Adjustable Master Cylinder is designed to allow for the proper adjustment of the bearing travel, and is created for use with the RAM Street Dual Disc. For over 40 years, RAM has produced the world's top performing Competition and Street Performance clutch systems. RAM Clutches has developed, improved, and produced in house, tried and true clutch components and systems that provide the highest performance value. RAM Clutches are the Champions Choice.