Â· Fights friction to help protect against engine wear by providing a thicker cushion between moving engine parts.
Â· This high-viscosity formula is specially formulated to help fight metal-to-metal friction by providing a thicker cushion between moving engine parts.
Â· Use every oil change.
STP is an American brand and trade name for the automotive additives, lubricants and performance division of Armored AutoGroup
Reviewed by 2 customers
Displaying reviews 1-2
it makes the engine run quite smooth. I added it to the oil and the rough engine sound became silky smooth within no time. Average fuel economy too increased (about 3%)
Good Quality Product