This should help you on the air filter, unless you don't like K&N
K&N Search by Dimension - Oval Air Filter
I'm not a big fan of anything that has Accell stamped it, but Petronix should have a unit to fit the dizzy. I have a Petronix unit in a Mallory dual point in a 289 powered 66 Mustang and it works great.
BTW, welcome to the forum.