[rotorwrench]

I generally purchase Fel-Pro or Best gaskets but I have always kept various thicknesses of gasket material around when the gaskets aren't quite the thickness that was needed for thrust or backlash purposes. The composition of gaskets always depends on what is inside that may permeate the gasket. Some fluids or lubricants need more than paper depending on flange fit and scheduled maintenance actions with that particular flange. High temp or exhaust type gaskets are usually specialized types but there are at least three different types available for intake and exhaust type gaskets so it pays to get the one set that works the best.