Spal High Performance fan mounting pin kit. Provides a universal and easy method of mounting an aftermarket electric cooling fan to a radiator.2mm Ø (dia.) x 180mm pins, rubber washers and stop springs. To install, the pin goes through the washer then through the radiator core gaps and then through the fan mounting hole. The stop spring pushes onto the end of the pin and hard against the fan chassis to securely locate it.Supplied as a set of 4