Melling Exhaust Valve - V1917 Part #: V1917 Line: MEL Melling Exhaust Valve 1 Year Limited Warranty Material: Steel Length (in): 4.930 Inch Length (mm): 125mm Head Diameter (in): 1.500 Inch Head Diameter (mm): 38mm Stem Diameter (in): 0.311 Inch Stem Diameter (mm): 8mm Face Angle (Deg): 45 Degree Stem Type: Triple Grooved Locks Included: No Coated Finish: Yes Number Of Lock Grooves: 3 Show More Show Less