12v battery group size

[Jordan]

What is the battery group for a 12v battery that will fit as close as possible in a stock holder?

I am not looking the optima versions and I am not looking to start an argument of 6v vs 12v.

Thank you in advance.

 

[CarlG]

12v is Group 25

 

[Bob Bidonde]

Keep this slide for future reference,

 

[Bruce of MN]

My Group 1 battery fits fine without a custom part.

 

[Ruth]

Keep this slide for future reference,

I fabbed a hold down clamp like Bob's a while ago. Works great. Thanks Bob.