Replica rocker arm stud flex jam nuts are all metal are cadmium plated and are 5/16-24.
Fits:
FL 1948-1965
UOM: PK
Country Of Origin: USA
OEM Cross Reference: 7727,7727
Accessory Items:
16-1804 – Rocker Arm Bushing Reamer Tool
16-1848 – Rocker Arm Bushing and Roller Bearing Puller