About

WELCO EXTREME SERIES is a premium multi grademotor oil formulated for passenger cars and light trucks engines requiring APIperformance level CI-4 under all operating conditions.

It comes under theservice category of API CI-4. It has been designed by using high performanceadditives and high-quality base stocks to impart necessary important propertiesto the lubricant to perform in heavy duty engines on highway or off highways.

WELCO EXTREME SERIES with DuraShield boosters is proven in industry testingto help provide protection to your engine in two ways:

Under severeengine operating conditions soot can agglomerate to form large particles whichhelp to displace oil on moving metal surfaces. This results in metal-to-metalcontact. WELCO EXTREME SERIES withDuraShield boosters helps to prevent the agglomeration of soot as well asprotecting surfaces from wear.

with DuraShield boosters provides a protective layer onthe moving metal surfaces which resists break down, even under difficultconditions.

The main causes of damage in modern engines are abrasive wear, deposits andcorrosion. WELCO with Dura shield Boosters actively fights the main causesof engine damage to deliver superior protection by:

   Providing aprotective film around moving metal surfaces which resists break down evenunder difficult conditions, maintain the film layer.