"Tie-rod construction, double-acting, heavy-duty, high-strength tie rods. With ground and polished chromed piston rod, cast iron piston with O-ring seals and back up washers, polyurethane rod wiper, cast malleable rod clevis, zinc plated pins and clips. The maximum working PSI is 3000 and bursting PSI is 5000. Seal kits are available also. U.S.A. Closed Pin Center in. 20 1/4, Stroke Length in. 8, Max. PSI 3,000, Shaft Diameter in. 2, Bore Diameter in. 5. Safety yellow color Honed tubing 1 1/4in. pins included SAE 7/8 - 14 working ports"