If you spend time dialing in shocks, the Yokomo S4-S813R 13mm shock cap is a handy part to add to your toolkit. Its plastic construction is aimed at everyday durability and clean installation on SO/MO2.0 chassis models.
The integrated drain screw is the main practical feature, making oil changes less messy and faster to perform. The cap is engineered to stay light while retaining useful strength for track use.
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