Prolong engine treatment. The ultimate in protection and performance. Compatible with petroleum and synthetic motor oils, and oil additives. After each future oil change, add Prolong Engine Treatment Booster. 1 GALLON.

Prolong engine treatment. The ultimate in protection and performance. Compatible with petroleum and synthetic motor oils, and oil additives. After each future oil change, add Prolong Engine Treatment Booster. 12 oz. bottle.

By Ultra. specially treated, leaves a wax finish.

No spill, faster, easier, and cleaner.

Prolong Fuel system treatment is formulated to thoroughly clean injector tips and intake valves, removing clogging carbon deposits that cause misfiring and poor fuel economy. Periodic treatment restores an uninhibited spray pattern for optimum firing, essential to smooth, efficient operation. Prolong Fuel System Treatment is compatible with all grades of gasoline. 8 oz. bottle.

Prolong Extreme High-Performance EP-2 Multi-Purpose Grease is a premium formulation that provides superior extreme pressure lubrication to protect metal surfaces and help achieve optimum efficiency. It is excellent for automotive applications, including ball, CV and U joints, shackle and king pins, fifth wheels, chassis lube, wheel bearings, bearing journals, and electric motor bearings.

Prevents and stops gum and varnish formation and fuel system corrosion. 1 quart will treat up to 96 gallons. Perfect for the car that goes into seasonal storage.

Napa Carb and Choke cleaner​

Rain-X Original Glass Treatment dramatically improves wet weather driving visibility. Simply apply the treatment to exterior glass and watch the raindrops fly off your windshield while driving. Rain-X helps improve visibility by repelling rain, sleet and snow.

Napa Spray Engine Cleaner and Degreaser