This is a brand new unopened bottle of the early formula. The ACDelco X66P 88861803 is a fuel additive treatment that comes in a new old stock (NOS) sealed container, ensuring its authenticity and quality. Manufactured by ACDelco, this product is designed to enhance fuel performance and prevent corrosion in vehicles. With its specific manufacturer part number, X66P 88861803, it is a reliable and trusted product for maintaining the health of your engine. Perfect for car enthusiasts looking to improve fuel efficiency and longevity.
