A Control Arm to Shock Bracket U-bolt provides the force required to clamp related components together. The OE (original equipment)-style replacement U-bolt includes two washers and two nuts. The U-bolt measures 8 1/2" long and 3 1/2" wide and is suited for 2 Wheel Drive Chevy trucks, Blazer and Suburban 1967-1972 and 2 Wheel Drive GMC trucks, Jimmy and Suburban 1967-1972. Two U-bolts are required.