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.