Grade 8. 7/16”-14 x 5/8”.
Ford Truck F1, F2, F3, F100, F150, F250, F350 Years:NPD Part Number : 380041-S Manufacturer Reference #'s: 500162, 380041-S
1968-1976 F100-F350 360, 390
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.