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

GMK Supply "DustBusters" - .21+ Engine Carburetor, Exhaust and Fuel Inlet Caps
Glen Stewart - Rating: 1 of 5 Stars! Verified Owner Saturday, February 25, 2012
The only cap that actually fits a modern day .21 race engine is the fuel inlet nipple. The rest are WAY too big / WAY too loose. Waste of money.