Keeping shock internals sealed is key to consistent RC handling. The XRAY 970120 O-Ring set, 12x1mm, is intended for the upper cap area to reduce the chance of oil leaks and maintain stable shock performance.
These O-rings are matched to XRAY XB4 style shock geometry and provide the close tolerance required for effective sealing. They are appropriate for race prep or general maintenance to avoid unpredictable damping.
Fit by removing the upper cap, cleaning seating surfaces and installing the XRAY 970120 ring without twisting. Periodic inspection and timely replacement will keep your shocks performing as expected.
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