Ultimate engine protection, increased power,performance and reliability. Track experienceat Grand Prix and international level has shown that PRO 2 is one of the very few competition oils which can provide the latest racing engines with the outstanding load-carrying and cleanliness requirements necessary for full power output even at high fuel to oil ratios. Only for use with Pre Mix systems. Recommended mix up to 50:1 (2%) DO NOT MIX WITH CONVENTIONAL OILS.SPECIFICATION: CIK FIA HOMOLOGATED COMP 2 PLUS 4LTR