This is the Large Stone Fuel Filter for the HPI 1/8 scale Glow Powered HPI Trophy Truggy 4.6, and Trophy 3.5 Buggy. Aluminum housing, gun metal gray in color Stone filter element Large Stone Fuel Filter with plastic Mounting Bracket Length: 2.1" (53.5mm) including inlet and outlet jxs 09/08/14 ir/jxs &