Red Line Engine Oil Additive ZDDP 473mL 81403

- Provides conventional motor oils with anti-wear additives like zinc and phosphorus (ZDDP) necessary to protect against camshaft and valvetrain damage on break-in- Allow pistons rings to seat properly with less-slick oil, while anti-wear additives protect other engines components to avoid excessive wear- Can also be used in conventional and synthetic oils during regular operation, providing an extra package of protection otherwise not found in most motor oils- 16oz bottle treats up to 12 quarts of motor oil--in many cases, one bottle can serve two engines or oil changes