After choosing the Endless brake kit. It only made sense to go with their own Zeal coilovers for suspension.

I've enjoyed many different suspension in my life and this is right up there for me. The build quality is 2nd to none. They are a work of art.

Comfortable enough for the street and taut enough for the track. The following is from Endless USA:

ZEAL Function-V6 Coilover
This steel-type, inverted-monotube type shock absorber is produced for specific vehicles with strut-type suspension. The shock absorber for this type of set up takes great abuse, thus side load attributes must be strengthened. An inverted monotube with a Friction-Loss Cylinder was developed for this matter. While using the Function Series' technology, we've produced the new Zeal model for high performance driving. The nitrogen gas camber is positioned higher up and farther away from the braking area creating less heat transfer and thus, less chance for overheating. Also, under-spring weight is now lighter enabling handling to become sharper, quicker, and more responsive. Our easy-to-read and use, 6-Way Piston Valve Shock (PVS) Dial mechanism adjusts the rebound/compression force with its Piston Valve Shock Technology, Level 1 being the softest and Level 6 being the stiffest. Dial can be turned either direction infinitely. Pillow Ball camber adjustable upper mounts for direct feel of suspension motion help to decrease piston rod tension. ID60 Basic Spring (Street or Hard rates) maintains stroke and ensures a "seated" fit with upper and lower portions processed to a flat cut. The Adjustable Shock-Stroke System is a separate, adjustable lower cup/bracket used for height adjustability which eliminates problem of sacrificing stroke and altering spring tension. Spin the mechanism over the threaded shock casing up to lower (and down to raise) vehicle height. All Zeal Function Series systems include this height-adjustable system.