Porsche 911 (991) C2 / C2S / C4 / C4S / Turbo / Turbo S Track Line Plug&Play electronic suspension kit with lifters

High-tech electronic replacement suspension designed for vehicles originally equipped with factory electronic damping systems.
Add-on programmable control unit required (not included).

Key Features

• Plug & Play Integration:
  Seamlessly replaces the factory dampers and suspension controller.

  • Connects using original plugs and wiring

  • Fully compatible — no delete kit required

  • No fault messages in the vehicle’s onboard system

• Optional Programmable Control Unit:
  Offers complete flexibility for custom damping configuration.

  • Upload custom damping maps via USB connection

  • Tailor damper response for road, track, or racing applications

  • Fine-tune performance parameters with engineering-level precision

• TracTive Patented DDA Valve (Dynamic Damping Adjustment):

  • Reaction time of just 6–10 milliseconds from full soft to full hard

  • Delivers exceptional stability, repeatability, and control

  • Proven in high-end OEM programs and top-tier motorsport

  • Outperforms conventional systems like ZF CDC and Bilstein Damptronic

Performance & Engineering

• Track-Grade Hardware:
  Built to the same high standards as TracTive’s race-proven track kits.

• Eibach Springs Included:
  Engineered for optimal balance, consistency, and performance.

• Ride Height Adjustment:
  Infinitely adjustable through threaded shock bodies or separate adjusters.

• Precision Construction:

  • 46mm high-flow pistons for superior damping control

  • Low-friction seals for ultra-smooth performance

  • 16mm CrMo-steel piston rods, super-finished and induction-hardened

  • Hardened aluminum shock bodies ensure lightweight strength and thermal stability

• McPherson Strut Design:
  Steel inverted construction with 38mm high-flow piston

  • Minimal stiction

  • Maximum rigidity and feedback

  • Components inspired by top-level motorcycle racing technology

Top Mounts

• All track kits come with dedicated top mounts:

  • Inverted struts: Adjustable for camber and/or caster

  • Non-McPherson shocks: Equipped with solid top mounts