Justice Brothers Fast-Action Engine Tune-Up (3 - Pack)

Justice Brothers Fast-Action Engine Tune-Up ETU-4P

Upgrade your engine’s performance and reliability with Justice Brothers Fast-Action Engine Tune-Up, now available at Norcal Diesel Performance.

Key Benefits:

• Reduces Friction & Wear: Minimizes friction drag between moving parts, helping to keep your engine cleaner and reducing overall engine wear for longer life.

• Improves Fuel Mileage: By reducing internal friction, this tune-up can help improve your vehicle’s fuel efficiency.

• Protects New Engines: Offers critical protection during engine break-in, safeguarding new components from premature wear.

• Restores Performance: Frees sticky valves, lifters, and oil compression rings by dissolving harmful deposits, ensuring smoother operation.

• Cleans Internals: Effectively removes gum, varnish, and carbon from your oil system, keeping your engine running at its best.

• Runs Smoother, Cooler, Quieter: Helps engines operate more smoothly, run cooler, and sound quieter for a better driving experience.

• Corrosion Protection: Shields engine internals from acid and corrosion, extending the lifespan of vital components.

• Ideal for Extended Oil Drain Intervals (EODI): Maintains engine cleanliness and performance even with longer oil change intervals.

• Contains JB Metal Conditioner®: Advanced formula treats the metal, not just the oil, for superior lubrication and protection.

Directions for Use:

• Add one 14 fl. oz. bottle to 4–5 quarts of engine oil.

• Can be added between oil changes or during an oil change.

• Do not overfill the crankcase.

• Safe for new and older engines—does not void new car warranties.

Product Details:

• Part Number: ETU-4P

• Size: 14 fl. oz. bottle x3

• Flat rate shipping: $8.00 per order

Why Choose Justice Brothers?

Justice Brothers is renowned for high-quality automotive chemicals trusted by professionals and enthusiasts alike. Their Fast-Action Engine Tune-Up is engineered in the USA and designed to deliver real results—restoring lost performance, improving efficiency, and protecting your investment for the long haul.

Customer Experiences:

“I have seen amazing results with the Engine Tune-Up where sticky lifters are involved, worked great.”
— C.L., Spanish Fork, UT

“My Ford Expedition increased its in-town gas mileage from 14.9mpg to 16.2mpg. Highway mileage went from 16.6 to 20.8mpg.”
— P.B., Newton, NC

Order now from Norcal Diesel Performance and give your engine the Justice Brothers advantage!