Professional Oil Seal Engine Oil Burning & Leak Repair, No. OS-1

Bar’s Leaks Professional Oil Seal Engine Oil Burning & Leak Repair, No. OS-1, combines synthetic polymers with premium seal-restoring additives to create a long-lasting repair, according to the company. This professional-grade formula is designed to permanently stop all engine oil loss caused by leaks, over-consumption and burning. The product is designed to work with all types of motor/engine oil, can be added when the oil is low or during an oil change, and starts to work within 15 minutes of driving or idling the vehicle. In most cases, the oil leak will be repaired with a single dose.