Recently upgraded to a CV carb for my '75 XLH that has the older 3/8 petcock bung gas tank. I couldn't find a petcock that would fit due to the taller carb. I had to use a 90° pipe fitting with an inline shut off and fuel filter, it was ugly...Then finding out about Prism's 90° petcock decided to give it a try. It's a perfect fit for a tight space and looks great! Thanks Prism Supply Co!