This 13mm aluminum shock collar and seal retainer set in black is a durable upgrade for 13mm shocks on select RC10-class vehicles. It secures the shock seals and collars in place to help maintain proper sealing and consistent suspension performance on models in the RC10B6, RC10SC6, and RC10T6 families.

Manufactured from aluminum with a black finish, this collar and retainer set is intended for use during shock maintenance or rebuilds, replacing worn components to support reliable sealing and smooth operation of compatible 13mm shocks.