1973 Duster pop-out windows

I believe these are what I used. They’re a bit longer than needed but trim to fit.

Mopar A Body 67-72 & B Body 68-70 Door Glass Division Channel Guide Set 2932230



Here’s a how to
Gallery: Pop-Out Quarter Window Restoration - Mopar Connection Magazine | A comprehensive daily resource for Mopar enthusiast news, features and the latest Mopar tech