Gang Buster ~ Carburetor Cleaner

Gang Buster


Castle® Gangbuster™ is designed to remove gums and varnishes while lubricating parts in one efficient step. Gangbuster™ contains Resi-Lube,” a chemical that lubricates all moving parts and helps to eliminate moisture between applications. It is completely harmless to all oxygen sensor devices. Extension tubes included. Gangbuster™ is also effective for removing transmission varnish.


  • Carburetor
  • Linkage
  • To Free-up Heat Risers
  • Choke
  • PCV System
  • Small Parts Cleaner


1. Engine should be turned off and air cleaner removed.
2. Start engine and attach extension tube to valve button so that more parts of the carburetor can be reached.
3. Spray liberally.
4. Adjust air-fuel mixture.
5. Finish by cleaning outside of carburetor.


  • 20 oz (#C2019) 12/case


Store below 120ºF.

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U.S. Customers
Castle AutoChem Products Ltd services Canadian customers only.

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or call 1-800-876-0222.