Red Line Oil Heavy ShockProof

Film thickness greater than an SAE 75W250, yet low fluid friction like 75W90. For heavily-loaded racing differentials and transmissions, problem gearboxes. Many performance racing applications like Sprint/Midget/Dirt Late Model Differentials, Detroit Lockers and spools, NHRA Top Fuel and Funny Car rear ends. Not recommended for most synchro applications due to the product's extreme slipperiness.