911-930

Engine oil additive - Zplus ZDDP Zinc oil treatment

Zplus

Engine oil additive - Zplus ZDDP Zinc oil treatment
Zplus brand premium ZDDP Zing engine oil treatment. For restoring Zinc protection to modern engine oils when used on older vintage, historic or racing vehicles. 4oz bottle, treats 4-5 quarts of oil. Two bottles needed per service on most air-cooled Porsche engines. Ideal for most 911, 930, 964 and 993 vehicles. 
Please note: Intended for use on pre-OBD off-road and racing vehicles. Not for highway use. 
$ 9.99