Check the listing for details. Pivot Pin for 4 Spring Dump Truck Electric Tarp System. Condition: New. Listed at 40.00 USD. The pivot pin mounts to the side of the dump body. The pin is 3-1/2" long and 1-3/4" thick, with a notch along the pin to fixedly seat the spiral torsion springs. The mounting plate is 8" x 3-5/8". The pin is welded to the mounting plate. All material are made of steel. The mounting plate has two 5/8" holes, spaced 5-1/2" apart. For use with 4 Spring Dump Truck Tarp Systems3.5" Long and 1.75" Thick with a Notch Along the Pin to Seat the Spiral Torsion SpringsMounts to the side of the dump body; Two 5/8" holes, spaced 5.5" apartMade of Steel to provide extra strength and durabilityWill work with most systemsThe pivot pin mounts to the side of the dump body. The pin is 3-1/2" long and 1-3/4" thick, with a notch along the pin to fixedly seat the spiral torsion springs. The mounting plate is 8" x 3-5/8". The pin is welded to the mounting plate. All material are made of steel. The mounting plate has two 5/8" holes, spaced 5-1/2" apart. For use with 4 Spring Dump Truck Tarp Systems3.5" Long and 1.75" Thick with a Notch Along the Pin to Seat the Spiral Torsion SpringsMounts to the side of the dump body; Two 5/8" holes, spaced 5.5" apartMade of Steel to provide extra strength and durabilityWill work with most systems