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Coil Springs REAR
- Porsche 997 MK1 GT3 2007-09
Sold As A Pair.
Identification Paint Coloured Marking: Red
Fits:
Porsche 997.1 GT3 2006>>2008
Porsche 997.1 GT3 RS >>2008
Diagram Ref No 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733353193504
The product you are viewing cross references to these numbers
Porsche Rear Coil Springs | Design911 Suspension Components for Ride Balance, Grip & Comfort
Rear coil springs are an essential part of your Porsche’s suspension system, supporting the rear axle and maintaining consistent ride height, traction, and balance. They work alongside the dampers to absorb road shocks, stabilise the chassis, and ensure predictable handling under acceleration, braking, and cornering. Properly functioning coil springs are vital to preserving Porsche’s trademark blend of comfort, agility, and precision.
At Design911, we supply a complete selection of rear coil springs designed for accuracy, performance, and long-term durability. Crafted from high-tensile steel or performance-grade materials, each spring provides consistent compression, strength, and reliability. Ideal for servicing, restoration, or performance upgrades, our coil springs help maintain perfect suspension geometry and ensure smooth, responsive handling on every drive.
What Do Rear Coil Springs Do?
Rear coil springs support the weight of the rear section of the car while maintaining suspension travel, stability, and balance.
Core Functions:
• Support rear vehicle weight and maintain proper ride height.
• Absorb road irregularities for comfort and stability.
• Work with shock absorbers to control suspension movement.
• Ensure balanced traction during acceleration and cornering.
• Contribute to predictable handling and braking stability.
Strong, properly fitted coil springs are essential for preserving the balance and precision that define Porsche’s driving experience.
Why Do Rear Coil Springs Fail or Degrade?
Rear springs operate under constant load and exposure to harsh road conditions, leading to fatigue and eventual wear.
Common Causes of Failure Include:
• Metal fatigue from repeated compression cycles.
• Corrosion or rust causing fractures or surface weakening.
• Overloading or uneven weight distribution.
• Cracks or sagging due to high mileage or ageing materials.
• Broken coils from road impacts or debris.
When coil springs fail, symptoms include uneven rear ride height, poor stability under load, harsh ride quality, and unpredictable handling — all of which compromise comfort and safety.
Why Replace or Upgrade Your Porsche Rear Coil Springs?
Replacing worn or broken rear coil springs restores suspension balance, stability, and comfort. Performance-tuned or progressive-rate springs also enhance grip, reduce body roll, and improve response during dynamic driving.
Key Benefits:
• Restores correct ride height and rear suspension geometry.
• Improves balance, comfort, and handling stability.
• Reduces body roll and improves traction.
• High-strength, corrosion-resistant materials ensure longevity.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Panamera, Cayenne, and Macan
models.
• Ideal for maintenance, restoration, or performance upgrades.
Design911’s Porsche rear coil springs deliver precision engineering and performance consistency — ensuring your Porsche remains stable, comfortable, and responsive mile after mile.
Highlights
• Premium Porsche rear coil springs for all models.
• High-tensile steel or performance-grade construction.
• Restores ride height, balance, and suspension performance.
• Optimised for comfort and handling precision.
• Compatible with both classic and modern Porsche vehicles.
• Perfect for servicing, restoration, or performance tuning.
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Anti Roll Bar
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Anti Roll Bar Bushes
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Anti Roll Bar Bracket
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Drop Links & Bushes FRONT
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Drop Links & Bushes REAR
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Shock Absorbers FRONT
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Shock Absorber Parts FRONT
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Shock Absorbers REAR
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Shock Absorber Parts REAR
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Coil Springs FRONT
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Track Control Arms FRONT
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Track Control Arm REAR
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Hub Nut
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Electronic Damper Control
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Side section / Sub frame
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SuperPro Polyurethane Bushes
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Powerflex Black Series Bushes
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Powerflex Polyurethane Bushes
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