• AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 2011-2012 Porsche 911 GT3 RS 4.0 2WD (997)
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AST True Coilover 997 911 GT3 RS/GT3/GT2 RS (07-12) | Porsche (ACU-P2209S)

AST True Coilover 997 911 GT3 RS/GT3/GT2 RS (07-12) | Porsche (ACU-P2209S)

ACU-P2209S

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The AST True Coilover 997 911 GT3 RS/GT3/GT2 RS (07-12) is a high-performance suspension upgrade designed specifically for the Porsche 911 models from 2007 to 2012. Featuring inverted shock absorber technology, the 5100 Series dampers are race-proven and engineered to enhance handling and stability under demanding driving conditions. The inverted design offers increased strength and durability, providing superior suspension geometry during heavy lateral and braking loads encountered on both road and track. These coilovers deliver improved ride quality, better control, and adjustable rebound settings, allowing for fine-tuning to match driving preferences and conditions.

Designed for 2011-2012 Porsche 911 GT3 RS 4.0 2WD models, these coilovers are a direct replacement for stock suspension components. They are ideal for enthusiasts seeking enhanced performance on the street or track, offering adjustable damping for personalized setup. The kit includes shock absorbers with rebound adjustment, enabling precise tuning for various driving scenarios. Installation is straightforward for those familiar with suspension upgrades, and these coilovers are built to withstand high loads and aggressive driving, making them suitable for track days, spirited driving, or improved street handling.

Overview

The 5100 Series shock absorbers for the 2011-2012 Porsche 911 GT3 RS 4.0 2WD (997) utilize inverted / upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment.

The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the 5100 Series suspension you can adjust rebound with one knob. The adjust platform allows you to adjust the ride height of your car. AST suspension shock bodies are specially designed to keep maximum stroke, even with a lower ride height.

How a Monotube design works?

Monotube design is essential for performance. The oil and nitrogen are separated by a floating piston, and allows the use of a larger piston, increasing the damper performance and sensitivity felt by the driver, all this added together produces more grip, gives more control and driver feedback from your vehicle.

What is a rebound adjustment?

Rebound controls the rate of extension of your shock absorber. By changing the rebound you can directly change the characteristics of the vehicle.

Features

  • Floating piston design with high pressure nitrogen means no cavitation around the piston.
  • 14mm diameter internal shaft.
  • 44.5 mm diameter shaft struts, inverted.
  • Steel cylinder body shocks, inverted.
  • High end, track ready suspension.
  • Rebound adjustable ('Singles').
  • Low friction seal.
  • Adjuster knobs permanently mounted on the dampers.
  • Designed to use OEM top mounts.
  • Rubber bushings for 'eye' shock mounts.
  • Includes springs.
  • Rebuildable.
  • Optional spherical top mounts.
  • Optional DLC (diamond like carbon) coated shafts.
  • Optional DDP (double digressive piston).
    • Double Digressive Pistons are recommended for use on the non-driven wheels.
    • 4WD/FWD vehicles: DD pistons for both rear axle struts/shocks.
    • RWD vehicles: DD pistons for both front axle struts/shocks.
  • Optional custom valving.
Specifications
  • Part Number: ACU-P2209S
  • Product: AST 5100 Series
  • Adjustment: 1 Way
  • System: Coil Over
  • Product Note: True Coilover
  • Front/Rear Ratio: Front = 60% / Rear = 40%
  • Strut/Shock Type: Front: Clamp McPherson strut / Rear: Fork 2 pin strut
  • Model Years: 2011-2012
  • Make: Porsche
  • Model: 911
  • Chassis: 997
  • Spring Kit: Included
  • Top Mounts: Front / Rear Optional (If Available)
  • Optional 1 Front Top Mounts: TMA-P07-A1-20F - Camber adjustable
  • Optional 2 Front Top Mounts: TMA-P12-B1-20F - Solid top mounts (no camber adjustment)
  • Optional Rear Top Mounts: TMA-P11-B1-30R - Solid top mounts (no camber adjustment)
  • Adjustable Front Droplinks Available? No
  • Adjustable Front Droplinks Required? No
  • Adjustable Rear Droplinks Available? No
  • Adjustable Rear Droplinks Required? No
  • DDP Pistons Included? No
  • DDP Pistons Available? Yes
  • DLC Coated Shafts Included? No
  • DLC Coated Shafts Available? Yes
  • QDC Included? No
  • TUV Approved?
  • Comments: Works with OE top mounts.
Vehicle Fitment
  • 2011 Porsche 911 GT3 RS 4.0 2WD (997)
  • 2012 Porsche 911 GT3 RS 4.0 2WD (997)
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