Compare Maximum number of 4 items selected Melling Rocker Arm Stud - MRDS921 Part #: MRDS921 Line: MEL Melling Rocker Arm Stud 1 Year Limited Warranty Material: Steel Thread Size: 3/8 Inch Thread Type: Fine Length (in): 2-1/2 Inch Length (mm): 63mm Attachment Method: Press-Fit Bolt Grade: Grade 8 Head End Depth (in): 1 Inch Rocker End Height (in): 1-5/16 Inch Show More Show Less