Porsche 911 (993, 1994–1998). The last air-cooled 911, prized by drivers and collectors. JRZ’s handbuilt dampers for the 993 come in multiple levels of adjustment, up to 3-way double-adjustable, and are custom-valved to your car and your goals. We are the official U.S. JRZ distributor, so you get expert spec, valving, and setup support with quick shipping.