WASHER, Locking, 5/16 inch, zinc, correct style except for finish, originals were cadmium S7, NOTE: lock washers are not always present on original cars, by AMK Products
Manufacturer Reference #'s: AMK Products B-13050, 34806-S7
1953-1973 F100-F350 FORD 2100 2V OR 4100 4V CARBS
1965-1973 MUSTANG FORD 2100 2V OR 4100 4V CARBS
1966-1973 BRONCO FORD 2100 2V OR 4100 4V CARBS
1967-1973 COUGAR FORD 2100 2V OR 4100 4V CARBS
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.