Primrose 400 Protect-O-Lube

•  Neutralizes Acidic Combustion By Products
  
• Increases RPMs
• Improves Combustion and Economy
• Reduces Friction Drag
• Neutralizes All Harmful Engine Acids
• Eliminates Piston Ring Sticking and Scoring
• Eliminates Sticking Valves
• Cleans and Lubricates Fuel Injectors and
  Carburetors
• Eliminates Carbon, Varnish and Sludge

https://primrose.com/images/DataSheets/tds/PS_TDS_400.pdf 

https://primrose.com/images/DataSheets/sds/400.pdf