Red Line Oil has been building performance lubricants in California since 1979. The brand runs on polyol ester base stocks, the Group V chemistry that racing engines demand. That chemistry clings to metal, resists heat and holds its viscosity when cheaper oils thin out. The 75W90 and 75W140 grades suit most diffs and gearboxes. Race engine oils from the range carry high zinc levels for flat-tappet cams and hard-loaded valvetrains. CV-2 grease, fuel additives and two-stroke oils round out the line-up. Racers across drag, circuit and drift have trusted the brand for more than 45 years. Shop the full Red Line Oil range in NZ with fast shipping nationwide.