This is a core set of 9 Ultimate Racing Shock oils for your performance RC needs. 

These 60ml bottles of Ultimate Racing silicone shock oil used with oil filled shocks. Ultimate Racing shock oil is made from 100% pure silicone oil and will not thin out in hot weather or thicken up in cold weather. The higher the viscosity number of the oil, the thicker the oil is. Ultimate Racing silicone oil content antifriction additives to ensure shock absorbers useful life and minimize viscosity changes.

This set contains:

(1) 250cst
(1) 300cst
(1) 350cst
(1) 400cst
(1) 450cst
(1) 500cst
(1) 550cst
(1) 600cst
(1) 650cst