KPMI, Black Diamond intake/exhaust valve

29-73 45" (750cc) W and G series Flathead (NU)

Standard size replacement. Dimensions: 1.625" head dia. x 0.3395" stem dia. x 5.585" Overall length. KPMI valves are manufactured in the U.S.A. by a dedicated staff and personnel with hands-on experience in stock and high performance. Quality materials and the latest CNC and 3-D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. All Black Diamond valves are one-piece Stainless Steel forgings with a black nitrided finish.