im not big on tanabe suspension stuff just because im not sure on stateside support.
plus the ones youre asking about jc look like theyre made by kyb for tanabe. which means the quality is decent, but probably underdampened.
theyre basically the same as the older GAB coilovers made by kyb for GAB.

for the money youd spend on those you could get something better in my opinion. seems like inferior quality than brands like cusco, but with just as much hassle to get serviced.