Billet Aluminum Fuel Filler Neck with Pop-Up Gas Cap & Hose Kit, 2.5" Flush Mount Design, 1.5" Filler Hose Connection, Easy Installation, Sleek Look for Hot Rods, Non-Vented Cap, Clamps Included

Fuel Cap As featured on Classic Truck’s Week to Wicked. Watch the transformation here! Polished billet aluminum pop-up flush mount gas cap is 2-1/2" O.D., 1.600" tall, and works with a 1-1/2" hose. Can be left popped up or flush down against the body. Works with 1-1/2" filler neck hose. Non-vented cap design - gas tank vent is recommended. The Pop-Up gas cap, 910-12521, does not have a vent hole.  Some air might get past the threads that hold the cap on, but there is no dedicated venting passage. Filler Tube Kit Installation kit includes 12" length of fuel resistant 1-1/2" diameter hose and two tube clamps.