The 3190-183 CV head is designed for Toyota applications as a 1310CV conversion, featuring an increased bushing for OEM tubing. It is classified as light-duty (LD) and is part of the 1310 series. The head has a tube diameter of 2.560 inches and a wall thickness of 0.067 inches. The butt diameter measures 2.435 inches, with a pilot diameter of 1.808 inches. It features a square bolt circle diameter of 3.340 inches and a bolt hole diameter of 0.404 inches. The end-to-weld length is 5.75 inches, and it accommodates a joint angle of 26 degrees. This CV head is equipped with lubrication provisions.