SBC Cylinder Heads 3-1/2″ Tall without Breather Breather Tubes are welded to the covers Comes with hooded breathers Mounting fasteners included *Not legal for sale or use on pollution-controlled vehicles Filtered Breather Valve Cover Set; Tall Design; w/Logo; 2 Breather Tubes Welded To 1 Cover; Incl. Hooded Breathers/Mount Studs; Polished Die-Cast Aluminum; Pair Please e-mail with questions.