RAM Clutches 218 HDX Clutch Disc is a member of the HDX 200 Series Line of RAM Clutch-Discs and is masterfully designed to provide mild horsepower increases in vehicles that are street driven and where drivability is an important factor. The RAM 218 Clutch Disc HDX 200 Series is expertly engineered for GM vehicle application, is designed with organic woven friction material, and sprung hub dampening to provide both smooth engagement and a high level of driver operational comfort. These RAM 218 Clutch Disc HDX 200 Series discs has been expertly designed for use with any RAM pressure plate found in muscle cars, hot rods, or other mildly tuned street vehicles. RAM Clutches are the Champions Choice.