Check the listing for details. Core RC 100% Pure Silicone Oil For Shocks/Diffs 100CST to 500,000CST. Condition: New. Listed at 6.64 USD. CORE RC high grade 100% pure silicone oil for shocks and gear diffs. Available in a massive range of 31 viscosities from the lightest 100cSt shock oil to the heaviest 500,000cSt diff oil. Extremely temperature resistant in both warm and cold conditions. Fully sealed bottles for best transport without leakage, and super easy to use lid for easy precise pouring. Large capacity 60ml bottle for less trips to the shops!CORE RC high grade 100% pure silicone oil for shocks and gear diffs. Available in a massive range of 31 viscosities from the lightest 100cSt shock oil to the heaviest 500,000cSt diff oil. Extremely temperature resistant in both warm and cold conditions. Fully sealed bottles for best transport without leakage, and super easy to use lid for easy precise pouring. Large capacity 60ml bottle for less trips to the shops!