Supertech titanium valve spring retainers for the BMW S85 engine, supplied as a set of 40, serve as direct replacement retainers for S85 valvetrain assemblies. Manufactured from titanium per the product description, the set provides the components required when rebuilding or servicing valve springs and related hardware on S85-equipped engines, matching the specified retainer count for that application.
Supertech Titanium Retainer BMW S85- Set of 40