SKU: ACU-P2209S | UPC: astACU-P2209S
AST 5100 Series Shock Absorbers Coil Over Porsche 911 997 (2WD) 2007-2011
AST 5100 Street TCO Suspension kit ACU-P2209S delivers monotube coilovers with 1-way rebound adjustment and ride height tuning for Porsche 911 997 GT models. This set of four dampers uses a coilover design front and rear with springs designed for OEM top mounts. Drivers gain responsive control over damping and stance for balanced street performance and grip.
Key Features
- Monotube Design: Large piston controls rebound damping without aeration or foaming for consistent responsive valving and performance under varying conditions
- Rebound Adjustment: 12-click positions fine-tune damper return to extension matching road conditions and driving style for tailored balance
- Ride Height Adjustable: Threaded coilover bodies allow precise lowering or height changes without disassembly for custom setup
- Coilover Construction: Front and rear monotube dampers with included springs prioritize handling predictability and adjustability
- Rebuildable Dampers: Service at certified AST centers extends longevity after heavy use or damage
Product Notes
- Initial setup uses development-tested spring rates and damping for immediate usability
- Regular inspection of seals and fittings maintains peak performance
- Special order item ships within 5-7 business days upon confirmation
Installation Notes
- Professional installation recommended.
- Reuse OEM top mounts as designed for direct compatibility
- Verify alignment after install to ensure even tire wear
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2009 | Porsche | 911 | GT2 |
| 2011 | Porsche | 911 | GT2 RS |
| 2007-2008 | Porsche | 911 | GT3 |
| 2010-2011 | Porsche | 911 | GT3 |
| 2007-2008 | Porsche | 911 | GT3 RS |
| 2011 | Porsche | 911 | GT3 RS |
Why Choose AST?
- Proven in motorsport with street-focused engineering for reliable daily use
- High-pressure monotube technology delivers immediate response to inputs
- Precision manufacturing ensures consistent damping across all adjustments
Frequently Asked Questions
-
Q: Does this kit fit all 997 Porsche 911 models?
A: Designed specifically for 997 GT2 GT3 GT2 RS GT3 RS variants listed in fitment from 2007-2011 2WD models only -
Q: What materials are used in construction?
A: Aerospace-grade aluminum bodies with high-pressure monotube internals and Eibach springs for durability -
Q: What service options exist?
A: Fully rebuildable at AST certified centers with genuine parts for long-term maintenance
Shipping & Handling
- Method: UPS Ground or LTL freight for special order
- Availability: Special order - ships 5-7 business days
- Packaging: Securely boxed set of 4 coilovers
- Weight: 48.5 lbs
AST
AST Suspension builds some of the most precisely engineered dampers available for performance and competition vehicles. Whether you're building a dedicated track car, a dual-purpose street/track machine, or a show car that needs dialed-in stance and handling, AST's lineup of coilovers and shock absorbers delivers the adjustability and build quality serious drivers demand.Popular UpgradesThe AST 4100 series coilovers are a favorite for street-driven enthusiasts wanting meaningful performance gains without sacrificing ride quality. The 4150 and 5100 series step up to more aggressive damping curves suited to autocross and circuit work. AST also offers remote reservoir setups and custom valving for purpose-built race applications where every tenth matters.Are AST coilovers adjustable for ride height?Yes. AST coilovers feature threaded spring perch adjustment, allowing you to dial in ride height independently of shock travel. Many models also offer rebound and compression damping adjustm...
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