8333 or 8548-pt2 felpro head gaskets

[67rcks]

How are these two gaskets different in material they are made of? Are these okay for a street 302 or is it worth spending money on MLS-type gaskets (cometic, victor reinz e.g.) to better prevent compression leaks?
(edit it's 9333pt1)

 

[Realmongo]

The 9333 is better for a performance application.

 

[dennis112]

I 2nd the 9333 as a reliable gasket.

 

[brianj5600]

A street 302 should not have head gasket trouble. The 9333 is a good gasket at a good price.

 

[KreagerM]

I run 9333's on my 347 and before that on my 289. Never had a problem with them. And you can't beat the price.

 

[67rcks]

hows different from 8548? i.e. how many layers of steel? uses graphite as a sealing material? or rubber/silicon or other? what metal is used for rings?