Cast Steel Alloy Forks from Zip’s are used when clearance is needed on a vehicle with a low front end. These forks are made in one piece using a special cast steel process. There is a 4-1/2″ wide opening at the top of the fork and the shaft has a diameter or 2″. There is a 9″ clearance between the fork holder and the bottom of the fork cutout. The yield strength has been increased while making them almost 30% lighter than the old fork designs. Sold as a Single or as a Pair Cast Steel Alloy Fork Used when clearance is needed on a vehicle with a low front end Made in one piece using cast steel process Yield strength has increased while making them almost 30% lighter Measurements: 4.5 inch Opening 2 inch Wide Diameter Shaft 4 inch Seat Width 9.25 inch Inside Height (Lift Height) 15.5 inch Total Height