Set (2x ball joint) for your McLaren rear knuckle.
 
The highest quality ball joints on the market. Featuring CNC'd CrMo, heat treated stem and CrMo Zinc plated housing. Interior is featuring PET-GL, self-greasing sliding medium for lowest possible friction, unmatched durability and handling precision. Machining tolerances are above OEM. These parts provide rust free and maintenance free use.
 
All parts are made in Europe, Slovenia.

Specification:
OD: 41mm
Thread: M14 x1.5mm
Hat down
 
Fits:
720S (Rear knuckle)
750S (Rear knuckle)
765LT (Rear knuckle)
788HS (Rear knuckle)
Senna (Rear knuckle)