REV-1 SynPro ULTRA fully synthetic SN/CF 5W40, a niche segment of high horse-power output cars owners frequenting the race tracks have requested for a Racing Formula SAE 10W60 to be blended specially for them. REV-1 SynPro ULTRA RACING fully synthetic 10W60 responds this unique motorists’ needs to protect their overload high performance engines working under extreme consitions.