Shipping is $8 whether you buy 1 bottle or a whole case! Details Castor based, ester-fortified 2-stroke engine oil designed to ensure maximum performance while providing maximum protection under the most severe conditions. Carbonization and vaporization resistant formulation combines surface-active esters with a highly-refined castor oil to provide excellent film thickness and surface tenacity, protecting cylinder walls, journals and other critical areas. Proprietary ash-free additive system keeps your engine running clean and free of gum formulation, corrosion and deposits. Castor based, ester-fortified 2-stroke engine oil Ultimate hardware protection for even the most aggressive riders Innovative formulation enables maximum power output Exotic esters and highly-refined castor oil maintain oil film thickness Surface-active chemistry aggressively attaches to engine surfaces, keeping them clean and protected For pre-mix only, not injection systems.