1991 Chevrolet Pick-up Truck Clutch Kit - Performance Upgrade C2500 - 7.4L Engine - From Prod. Date 02/01/1991 - w/ Unleaded Fuel Emission - w/ 12 in. Clutch - w/ Standard Duty guaranteed to replace your current 1991 Chevrolet Pick-up Truck Clutch Kit - Performance Upgrade C2500 - 7.4L Engine - From Prod. Date 02/01/1991 - w/ Unleaded Fuel Emission - w/ 12 in. Clutch - w/ Standard Duty. 1991 Chevrolet Pick-up Truck Clutch Kit - Performance Upgrade comes new OEM 1991 Chevrolet Pick-up Truck Clutch Kit - Performance Upgrade aftermarket new 1991 Chevrolet Pick-up Truck Clutch Kit - Performance Upgrade of remanufactured 1991 Chevrolet Pick-up Truck Clutch Kit - Performance Upgrade C2500 - 7.4L Engine - From Prod. Date 02/01/1991 - w/ Unleaded Fuel Emission - w/ 12 in. Clutch - w/ Standard Duty.