Originally Posted by FL 4Motion

we've got the Z1 34 row oil cooler kit w/thermostatic plate (180 deg), also sprung for the optional rubber coated lines for some extra protection against potential rubbing.

Like stated above, any of the kits will work and really, you probably won't see a performance/real world difference between any of them (assuming the core size is the same).

Wife and I went with Z1 becasue they're a big supporter of the forum and also ZdayZ. They had/have great customer service in our experience and they took the customer feedback on this site to heart and made small running changes to their kits based on that (ie the coated line option).

I would spring for at least a 25 row oil cooler though just in case you do ever decide to track the car, it'll at least hold up better than a 19 row to the heat.