These are not in the same Ah category as the X2/Northstar but they are reliable budget friendly AGM options if that is a consideration.
Champion H6,or H8 (70Ah) (H6 similar size as 27F H8 is longer) at
Pepboys: $199-25% = $149
Autocraft AGM H6,7 or 8 (70Ah) at
Advance Auto $199 - 15%= $169 ( you can unlock a 25% discount by entering your email.
Duralast Platinum @ Advance Auto H6,7 or 8 are all $199 -15%= $169
I believe all these autoparts store private label AGM options are made by the same supplier: Johnson Controls- (but I could be mistaken)
With any AGM- you'll want to float charge your battery occasionally as the cruisers charging system won't fully charge it (unless your doing a lot of daily highway driving).