Chrome; left outlet; for 1/4" (6.4mm) fuel hose; with filter & reserve; 3/8 NPT threaded. Why not have a custom petcock that looks like a million bucks? The Monster-Show is a high quality with a show compatible design. Comes with filter & reserve. The easy to operate fuel selector lever is equipped with a subtle 'click-feel' for positive placement of the lever from off to on or reserve. Fits stock fuel tanks in combination with standard 1/4" ID fuel hose. Note: Bottom side image is shown for an additional visual reference in 'lever' vs 'nipple' location. Left, right & down is referring to fuel nipple direction when looking at the petcock lever in 'off' position.

Fits: > 66-74 Big Twin; 57-74 Sportster ; Custom gas tanks with internal 3/8" NPT thread