Intake Valve 4.7 V8 Melling is a leader in engineering design, development, prototyping, testing and assembly of fluid delivery products and related items for the automotive OEM industry and the aftermarket industry. In addition to being a leading manufacturer of aftermarket oil pumps, they also offer camshafts, timing components, valve actuators, cylinder liners, expansion plugs and tools for the engine building industry. Precision engineering, the selection of high-quality alloy materials and advanced manufacturing processes ensure that Melling inlet valves meet the demanding specifications required for efficient, durable and powerful performance. Melling inlet valves are made of materials with high fatigue strength, excellent heat resistance and will last for years. Melling intake valves are available in a wide range of designs and materials for most OEM and performance vehicle applications. Coated finish Okay Class Type Normal Length 4.481" Length 113.82 mm Quantity of slot groove 3 Locks included No Material Steel Oversize No Seating 45.0 Trunk diameter 0,273" Trunk diameter 6.93 mm Diameter of the valve head 1.915" Diameter of the valve head 48.64 mm Valve material Steel CHRYSLER ASPEN 2007 DODGE DAKOTA 2000-2010 DODGE DURANGO 2000-2009 DODGE NITRO 2007-2012 DODGE RAM 1500 PICKUP 2002-2010 JEEP COMMANDER 2006-2010 JEEP GRAND CHEROKEE 1999-2010 JEEP LIBERTY 2002-2013 RAM 1500 2011-2012 RAM DAKOTA 2011 OEM / Interchange Numbers: 53020747AB