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.
1. Engine should be turned off and air cleaner removed.
Store below 120ºF.
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U.S. customers, please visit the Castle U.S. Website,
or call 1-800-876-0222.