This pack contains O-rings designed for the front push rod assembly used on 1/12 on-road competition chassis YR-X12 series. The set includes 6 pcs of rubber O-rings intended as direct replacement parts to address wear or to restore correct push rod seating.
Functionally the rings sit at the push rod pivot to reduce lateral play and help keep the push rod centered under load. They are a small tuning and maintenance item that affects feel by controlling endplay at the joint rather than changing suspension geometry.
Installation is straightforward: remove the push rod from its linkage, place the O-ring at the pivot contact area, then reassemble and check for smooth articulation without binding. Inspect O-rings periodically for flattening or cuts and replace as needed.
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