Kyosho 300cst silicone shock oil is a purpose-formulated fluid for RC shock absorbers, offered in an 80cc bottle. The 300 weight viscosity rating suits builds and tuning setups that call for a medium-weight oil. Made in Japan, it is marketed as a highest-grade silicone oil suitable for use across Kyosho and compatible RC platforms. Features: 300cst viscosity rating 80cc bottle 100% pure silicone formula Made in Japan 7/7/26 cs