With large GTO panels, because the tooling is so expensive, but the volume (relatively speaking) is low for GTO/Lemans/Tempest (compared to more-common Chevelle, Camaro, etc..), there is often only one set of tooling and one manufacturer in Taiwan making a particular piece. There's not enough "room" in the market for multiple toolings/manufacturers, they'd never get enough production out of the tooling to actually pay for the tooling.
But in THIS case, there must be a competing set of tools for this quarter. Because the price that OPGI has is less than the W/D cost is for the Dynacorn panels we are selling. Now, Dynacorn isn't a manufacturer, Musclecar GT (MGT) stamps these quarters. But Dynacorn owns the rights to the tooling (for now).
Anyhow, hope that's not too confusing. But yep, there appears to be two options for quarters here, and I have zero idea what the quality is on the cheaper. Wish I could be of more help.
Also, when shopping big panels, always get a freight quote. A lot of suppliers will have an attractive price, only to nail you in the shipping column with a ridiculously-inflated freight fee. Don't fall for that game.
And always check in-stock status, and never believe "ETA's", because they almost never go as planned.
We have plenty of both sides in-stock BTW..
That's all I've got!! It had been awhile since I last browsed this site.