These Replacement petcocks for many IMS, Clarke, and Acerbis gas tanks feature a Metal valve along with a metal body. The handles will not break like the cheap plastic ones used on other brands.
Do not be stranded beacause of a small part like this.
May fit other tanks too.
Petcocks have reserve too!
Center of Hole to hole measures: 1 3/8"
Petcocks comes with O ring.
Left Side: Made for left side of tank with outlet faces back at 90 Deg toward the back of the tank
Right Side: Made for right side of tank with outlet faces back at 90 Deg toward the back of the tank