430mm Clutch Pressure Plate Assembly for FAST Gearbox Trucks Every hour a truck sits in the bay costs money. This 430mm clutch pressure plate assembly is built as a straight replacement for tired covers on FAST gearbox trucks, so the job is one strip down, one fit and back on the road, without adapter parts or a mismatch between cover and release mechanism. Part Specifications Item Specification Type Clutch pressure plate assembly Diameter 430mm Duty Heavy duty truck Gearbox