Yokomo YOKB7-S6AC 4-Pack Aeration Shock Caps  [YOKB7-S6AC]

Aeration cap function

This RC aeration shock cap is offered as a 4pcs kit for general use on damper and shock assemblies. It is produced to provide a venting path at the shock top to aid maintenance and tuning routines.

To install, perform standard shock disassembly: drain or secure oil as needed, remove the current cap, place the vented cap over the shaft or onto the shock body following your damper configuration, then reassemble. No specialist tools are required beyond common shock service tools.

Functionally, the vented cap supplies a controlled route for trapped air and minor oil movement during compression and rebound, which can subtly change feel and rebound repeatability. Consider these caps as one component in a complete damper tuning process alongside springs, oil grade, shaft condition and pistons.

Compatibility reminder: the product is marketed as a general damper component; always verify the physical fit with your specific shock body and shaft dimensions before track use. Shock top sizes and designs differ between models and manufacturers.