Classic Mini Shock Absorber To Upper Arm Upgraded Pin 

Upgraded, lower EN8 damper pin. 3/8" UNF, supplied with the correct nuts. 

Especially useful for competition cars or street cars with lowered suspension.

Its quite a good idea to change these if they are corroded to give better seating for your dampers. 

Part number for reference: C-AJJ3361OEM (2A4337)