Hot Rods Flat Firewall Battery Shelf

I’m looking for a basic battery shelf that will mount on a flat firewall. All I need is a shelf and a hold down. Thanks

 

google battery tray
https://www.amazon.com/dp/B0FWXRS2V2/?tag=atomicindus08-20

 

1955-56 Chevy.

 

47-54/55 Chevy Truck

 

Make one.

It really depends on what group size battery you need, you don't want a big tray and a small battery. I bought a cheap metal one like the one from Amazon above, sectioned it (length and width) to fit a Group 51.