Gasoline Treatments Reduce Emissions, Improve Efficiency and Maintain or Restore Performance! GUNK offers Gas Treatment to improve fuel economy and improve engine efficiency. Injector Cleaner and Injector Plus Cleaner treat old- and new- technology engines and helps restore lost performance. Super Concentrated Fuel System Cleaner restores efficiency and treats up to 130 litres of gasoline. Octane Plus, Lead Substitute, Fuel Stabilizer, and EXHAUST MEDIC™ treat symptoms and special needs. All premium performance at value prices! Browse all gasoline fuel additives
Canada's First Choice for Performance Additives
In 1931, Radiator Specialty Co. of Canada was formed to serve the Canadian Market.
Today, we have grown into a diversified manufacturer of a full line of specialty automotive products, that is highly responsive to the varied needs of Canadians from coast to coast.
We make over 300 automotive products under many well-known and well-respected names, including Solder Seal®, Gunk®, Liquid Wrench®, Engine Brite®, Puncture
Seal™ and Tite Seal™ to name a few.
Our first product, Solder Seal® Powder Radiator Repair, was the original heavy duty
Radiator Stop Leak. It began a long legacy of superior automotive products that now include Tire Sealers, Lubricants and Penetrants, Degreasers, Fuel Treatments and Additives,
Functional Fluids and Cleaners, as well as many other specialty chemicals, kits, and Point-of-Sale displays, designed for the growing Canadian retail market.