Lucas Oil 10189 SAE 5W-40 Motor Oil - 1 Quart, Pack of 6 DWST08050 This is the only 6-1/2

This is the only 6-1/2 in

With MaxxTor® Impact Bits you get the tightest-fit precision-machined driver tips from the company that sets the standard for quality and performance

With a no-load speed of 5800 RPM

including cylinder block bolts

Lucas Oil 10189 SAE 5W-40 Motor Oil - 1 Quart, Pack of 6 DWST08050 This is the only 6-1/2Lucas Synthetic High Mileage Motor Oils are an excellent product that provides the consistent viscosity needed for precision ET racing. They are blended with an exclusive additive package that includes lubricity agents and anti seize agents that control drag like a zero weight oil and protect metal like a heavy multi viscosity oil. They are excellent for normal highway usage. For more specific information on each oil please review our product