Dorman AutoGrade Spring Center Bolt - 660-013 Part #: 660-013 Line: DOR Dorman AutoGrade Spring Center Bolt Limited Lifetime Warranty Material: Steel Thread Size: 3/8-24 Inch Thread Type: Fine Type: Machine Thread Length (in): 5 Inch Head Type: Flat Thread Length (in): 4 Inch Thread Length (mm): 101mm Bolt Grade: Grade 5 SAE Or Metric: SAE Hex Size: 1/2 Inch Color/Finish: Black, Phosphate Heat Hardened: No Integrated Washer: No Show More Show Less