PTX COMPONENTS ULTRA-LITE (TRACK) COILOVERS though for most, this is still daily drivable however is focused on extracting paramount performance from you Z34/G37 chassis and will get you safely to and from the track. Use of more aggressive Swift Springs / rates dependent on each custom build, supporting upgrades and driving purpose are used in conjunction with pillow ball upper mounts to more affectively transfer suspension energy as needed. The PTX-ULR uses an 8 spring configuration. (1 main and 1 helper spring) per assembly is use to provide more droop / rebound travel to aid with customized ride height setting and corner balancing adjustments. Constructed to deliver balance and faster lap times by inspiring confidence at higher speeds in the corners and from spirited driving to all out racing, this is the set up that Nissan Challenge Time Attack Series Champions choose to constantly and continuously deliver Podium finishes. Choose this set up if you want absolute pinnacle performance backed by award winning pedigree.
**After your order is completed, we will contact you during the build process for custom consultation**
PTX coilovers are custom made from the top of the line set of POWERTRIX ULTRA-LITE coilovers model.
They are custom manufactured to each individual order based on the direction of your build, wants and individual expectations. Spring choice and valving, (built shim stacks) are determined based on these personal parameters. PTX Coilovers are assembled exclusively with custom chosen SWIFT SPRINGS rates and lengths.
Recommendations can be provided based on your driving style, type of racing or personal ride quality preference.
