The Kyosho ORG04SSBK kit contains ten black O-rings sized for SS4 components, offering a straightforward spare-part option for RC hobbyists. These rings are useful for maintaining reliable seals and helping moving parts operate smoothly.
These O-rings help preserve component integrity by forming a tight seal around shafts and joints. They are intended for SS4 fittings but can work with other parts that share the same dimensions, making them versatile for common RC repairs and tweaks.
For best life, fit the O-rings with a thin layer of silicone grease to reduce friction and prevent drying. Inspect the rings regularly during servicing and replace any that show cracks, flattening, or loss of elasticity to avoid leaks.
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