Ultra-S 4, Ultra-S 6 & Ultra-S 8 are Group III oils with typical viscosities of 4.2 cSt, 5.8 cSt to 7.2 cSt at 100°C. They have exceptional low temperature fluidity, volatility and oxidation stability characterisitcs, making them ideal for use in high performance automotive lubricants.

Ultra-S Brochure (September 2009) - (pdf - 83kb)