Nissan Skyline GT-R (R34, 1999–2002). The R34 GT-R, the most coveted Skyline of all. Shop handbuilt JRZ coilovers built for the R34, custom-valved with adjustment options up to 3-way double-adjustable, from spirited street driving to full race use. We are the official U.S. JRZ distributor, so you get expert spec, valving, and setup support with quick shipping.