For hobbyists doing targeted upgrades, the GPM TAR004 titanium king pin screws are specified for the Associated RC 18T C-Hub to deliver a durable pivot interface. The material choice supports long term thread life and stabilises steering geometry under repeated loading, making these screws suitable for competitive tuning and maintenance cycles.
Associated RC 18T Titanium King Pin Screws Use For C-Hub - 4pcs - GPM TAR004