RAM Clutches 428 Static Pressure Clutch Plate measures 10.95-Inches and offers 3200-Pounds of Pressure. The Static Pressure Plates are best suited for Heavy Muscle cars and are exact duplicates of the original Mopar and AMC Pressure Plates. The 10.95-Version uses a larger Pressure Ring of 11-Inches providing an extended surface area and superior heat dissipation functions. The 10.95-Version utilizes bolts up to 10.5-Inches clutch patterns for smaller bell housings. When applying Borg & Beck Clutches on full race vehicles, please select HD cover RAM Long Style Clutches. These RAM Clutches - Borg & Beck style Clutches are precisions engineered, and not simply converted or modified factory/stock pressure plates. Each Borg & Beck Clutch unit includes features of increased or adjustable static pressure, included Ductile Iron Explosion Resistant Pressure Ring, and is precision balanced to within ó-Ounce/Inches. Over 35 years of racing clutch development and manufacturing assure you that the clutch you select will meet your expectations. RAM Clutches are the Champions Choice.