By
Counterman
Valvoline Global Operations announced that
link hidden, please login to view is the first motor oil proven to unstick stuck piston rings, reversing one of the leading causes of engine failure.* The formulation aims to remove piston ring deposits that can reduce power, increase oil consumption and lead to engine damage.
Piston Ring Deposits and Engine Damage
In an era where drivers are holding onto their vehicles longer than ever, engine longevity is essential. But as miles add up, extreme heat can bake stubborn deposits onto piston rings, eventually locking these crucial components in place. These deposits can rob vehicles of power, burning extra oil and slowly destroying the engine from the inside out. Valvoline Restore & Protect is the first motor oil to reverse this process using its formula to remove up to 100% of piston ring deposits.
“Stuck piston rings have long been considered a point of no return for an engine – a problem you could only fix by physically tearing the engine apart,” said Dr. Michael Warholic, senior global technology director at
link hidden, please login to view. “By engineering a formula that actively reverses this damage, Restore & Protect is truly the first engine oil to help return piston ring function.”
Testing and Validation at Ashland, KY, Propulsion Lab
Since Valvoline’s introduction of Restore & Protect in 2024, it claimed the title of the first motor oil proven to remove up to 100% of piston deposits with continuous use. Since then, Valvoline Global’s engineers and scientists have subjected engines to hundreds of thousands of miles of laboratory testing to gain additional understanding of the long-term benefits of Restore & Protect.
The validation, which includes extensive testing at
link hidden, please login to view’s Ashland, KY, Propulsion Lab, and real-world engine teardowns, proves the technology behind the formulation that makes this level of performance possible.
2025 Product of the Year (USA) Recognition
Restore & Protect was named a 2025 Product of the Year (USA) winner** as the most innovative product in the Car Care category. It earned this recognition through a national study of more than 40,000 American shoppers who participate in the consumer-voted awards program celebrating product innovation.
* With continuous use after 2 or more oil changes when used as directed.
** As surveyed by Kantar, a global leader in consumer research.
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