12 Intake Valve Size: 1.44x 0.27 x 4.52 inch. 12 Air-out Valve Size: 1.14 x 0.27x 4.96 inch. This intake air-out valve set Replacement for Volkswagen 3.5L 3.2L 4.0L. Part Number: V1713, 01713, V1901, 01901. Air-out intake valves are manufacturing with ultra valve steel, which provide ultra durability and less friction. Their sealing perform meet OEM standards and outperform and outlast the valves that the factory installs.
