Bulldog Blood High Performance 75W90 Synthetic Racing Gear Oil is track tested to meet the high demands placed on racing ring and pinions. Featuring special additives, BullDog Blood will properly treat important metals and dramatically increase gear life. BullDog Blood is a proprietary formula that features extreme pressure additives that aid in the prevention of micro-pitting and excessive wear. In addition, the non-foaming formula lowers operating temperature making this the only choice when it comes to high-performance gear oil.