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NEXT LEVEL PERFORMANCE PRODUCTS BY ZERONINE DESIGN - BECAUSE 'GOOD ENOUGH' JUST ISN'T IN OUR VOCABULARY

09D Performance Spring Kit [Focus ST Mk4]

FCH004AA

09D Performance Spring Kit [Focus ST Mk4]

£120.00 GBP

Product Overview

The 09Design Performance Lowering Spring Kit for Ford Focus ST Mk4/4.5 is designed to enhance both the stance and handling characteristics of your vehicle. By lowering the centre of gravity and refining suspension dynamics, it delivers a more controlled, responsive driving experience while maintaining everyday usability.

KEY FEATURES AND ADVANTAGES

KEY FEATURES AND ADVANTAGES

  • Lower centre of gravity reduces body roll and improves cornering confidence, improving both handling and stability
  • Provides a more aggressive, purposeful look by reducing wheel arch gap
  • Carefully developed and optimised spring rates balance performance with comfort for fast road use
  • Improves stability under braking and acceleration with a reduction in pitch and dive
  • Designed to work with factory shock absorbers without compromising reliability
  • Our progressive spring design maintains comfort during normal driving while offering increased support under load
  • Lower centre of gravity reduces body roll and improves cornering confidence, improving both handling and stability
  • Provides a more aggressive, purposeful look by reducing wheel arch gap
  • Carefully developed and optimised spring rates balance performance with comfort for fast road use
  • Improves stability under braking and acceleration with a reduction in pitch and dive
  • Designed to work with factory shock absorbers without compromising reliability
  • Our progressive spring design maintains comfort during normal driving while offering increased support under load

TECHNICAL DATA

TECHNICAL DATA

  • Type: Performance lowering spring kit (supplied as a set of 4 springs / handed rears)
  • Material: High-quality spring steel
  • Finish: Zinc Phosphate / Epoxy Powder Coated for corrosion resistance and durability
  • Spring Design: Progressive rate (model dependent)
  • Ride Height Reduction: 20mm front / 25mm rear
  • Compatibility: Designed for use with OEM or equivalent dampers
  • Type: Performance lowering spring kit (supplied as a set of 4 springs / handed rears)
  • Material: High-quality spring steel
  • Finish: Zinc Phosphate / Epoxy Powder Coated for corrosion resistance and durability
  • Spring Design: Progressive rate (model dependent)
  • Ride Height Reduction: 20mm front / 25mm rear
  • Compatibility: Designed for use with OEM or equivalent dampers

FITMENT

FITMENT

Compatible with the following models:

  • Ford Focus ST Mk4/4.5

Note: Not compatible with Wagon / Estate models

Compatible with the following models:

  • Ford Focus ST Mk4/4.5

Note: Not compatible with Wagon / Estate models

Frequently Asked Questions (FAQs)

The exact drop varies by model and is listed in the product specification. This has been carefully chosen to balance performance, appearance, and usability.

Ride comfort is slightly firmer than standard, but the springs are designed for fast road use and retain good everyday drivability.

No, these springs are designed to work with OEM dampers. However, uprated dampers can further improve performance and it is always worth inspecting the condition of your top mounts prior to installation.

Yes, we recommend a full alignment and tracking check after installation.

Installation requires appropriate tools, including spring compressors. Professional fitting is recommended for safety and correct setup.

Unfortunately the rear springs are unique to the Wagon / Estate so this upgrade is not currently compatible with this model and should only be used on hatchback variants.

SHIPPING & RETURNS

SHIPPING & RETURNS

Orders are shipped Monday to Friday, with weekend orders dispatched on Monday. Shipping is handled via FedEx or DHL with full tracking provided.

UK delivery: Typically next working day.

International delivery: Usually 2–5 working days, depending on location.

Under UK consumer law, unused items can be returned within 14 days of receipt for a refund, provided they are in original condition and packaging. Return shipping costs are the customer's responsibility unless the item is faulty or incorrect. Contact the team prior to sending any returns.

Orders are shipped Monday to Friday, with weekend orders dispatched on Monday. Shipping is handled via FedEx or DHL with full tracking provided.

UK delivery: Typically next working day.

International delivery: Usually 2–5 working days, depending on location.

Under UK consumer law, unused items can be returned within 14 days of receipt for a refund, provided they are in original condition and packaging. Return shipping costs are the customer's responsibility unless the item is faulty or incorrect. Contact the team prior to sending any returns.

WARRANTY

WARRANTY

All products are covered by a 12-month warranty against manufacturing defects. This does not cover normal wear and tear, misuse, or damage during installation. For warranty claims, contact support with your order details.

All products are covered by a 12-month warranty against manufacturing defects. This does not cover normal wear and tear, misuse, or damage during installation. For warranty claims, contact support with your order details.

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