This is a Pint of BC-175 Pre-Mix Two-Stroke Castor Oil Additive from Klotz.

For Use With 2-Stroke Glow or Gas and 4-Stroke Engines. Blends With Methanol Alcohol, Nitromethane, or Gasoline. Biodegradable Formula. Ultimate In Lubrication Protection and Performance. BeNOL Fortified Film Strength and Anti-Scuff Protection. Extreme Load-Carrying Capacity To Eliminate Engine Wear. Clean-Burn Technology Reduces Carbon and Residue Build-Up. De-Gummed Formula Reduces Ring Sticking. Klotz Red Color For Easy Mixing and Castor Racy Odor. Contains Seal Conditioners and Preservatives. See-Through Side With Graduated Measurements In Standard and Metric Mixing Chart On Back Of Bottl (API) SA Intended For Racing Engines Only.