GMK Supply "DustBusters" - .21+ Engine Carburetor, Exhaust and Fuel Inlet Caps
[GMK0105]

GMK Supply "DustBusters" - .21+ Engine Carburetor, Exhaust and Fuel Inlet Caps
Isaac - Rating: 5 of 5 Stars! Verified Owner Saturday, March 22, 2014
Contrary to the review that said they don't fit modern engines, all the caps fit my Werks B6 and Novarossi 21-4+ perfectly fine. This is a must have product when storing an engine.