Quick view Red Line Red Line Lightweight Shockproof Gear Oil (1) Quart Synthetic $25.95 Red Line Lightweight Shockproof Gear Oil has a film thickness greater than an SAE 75W140, yet low fluid friction like 80W gear oil or 30W motor oil. The oil has excellent low-temp flow that improves... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List