What makes Whiteline different from OEM suspension components?

Whiteline suspension products are engineered for performance and durability well beyond OEM standards. While factory (OEM) components often use soft rubber bushings that degrade over time and under load, Whiteline uses advanced polyurethane and bushing technology that resists oil, heat, abrasion, and weathering. This results in sharper handling, more responsive steering, better load control, and significantly improved lifespan — without the harshness of traditional solid bushings.

Do I need a wheel alignment after installing Whiteline components?

It’s recommended to perform a wheel alignment after installation to ensure optimal performance and tire wear.

Are Whiteline Fixed Offset Upper Control Arms (UCAs) necessary for lifted vehicles?

They help maintain correct alignment and steering geometry after a vehicle is lifted.

Can I install Whiteline products myself?

Some products are DIY-friendly, but professional installation is recommended for suspension components.

Do Whiteline products come with a warranty?

Yes. Please refer to our warranty policy for details.

WSK-FRD006

Lowering Kit to Suit Ford Mustang S550 FM, FN

Lowering Kit to Suit Ford Mustang S550 FM, FN

Suits 5.0L models without MagneRide - lowers vehicle approximately 35mm front and 30mm rear

Item Price

£294.72

SKU	WSK-FRD006
Installation Time	4 Hours
Fitting Position	Front and Rear

Select your car to check fitment.

in stock

Ships within 48hrs

Description

Benefit Note:
Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. This kit contains 3.5kg/mm (196lb/in) front rated springs that provide a 35mm drop while the 11.8kg/mm (661lb/in) rated rears deliver a desirable 30mm to the vehicle. By lowering the vehicles centre of gravity, the unique and progressive rate coil design not only improve performance but enhance overall appearance. Developed and manufactured in Europe from the highest quality materials, coating and to the finest tolerances guaranteeing exact fitment. Whiteline Springs are engineered for optimal balance with OEM and aftermarket shocks. For total grip activation match with Whiteline Sway Bar and Essentials kit for unrivalled handling and optimal vehicle performance.

*All prices shown on the website include VAT. You will not be charged any additional fees related to tax. For international orders, VAT is removed, local import duties or taxes may apply but will not be charged by us.

Compatible Vehicles

Select any of the below vehicles to get detailed specifications on how this product interacts with your car. Including fitting positions, time and other vehicle specific information.

Specifications

Kit Specifications

Location	Lowering (mm)	Lowering (in)	Spring Rate
Front	35	1.378	3.5kg/mm (196lb/in)
Rear	30	1.181	11.8kg/mm (661lb/in)

Location	Front	Rear
Lowering (mm)	35	30
Lowering (in)	1.378	1.181
Spring Rate	3.5kg/mm (196lb/in)	11.8kg/mm (661lb/in)

Misc. Product Information

More Information
SKU	WSK-FRD006
Components Per	4 Springs
Kits Required	1
Sub brand	Performance
Product Note	Enhances handling for a more responsive driving experience; a complete, premium upgrade. Includes: 3.5kg/mm (201lb/in) Front Rated Springs & 11.8kg/mm (661lb/in) Rear Rated Springs.
EAN	9319924406494

Installation & Fitment Guide

More Information
Installation Time	4 Hours
Wheel Alignment Required	Yes
Recommend Wheel Alignment	Front and Rear Wheel Alignment

Shipping & Returns

Shipping Times

You can use the shipping calculator to find your shipping costs. The shipping calculator will also show all shipping prices.

Returns

We guarantee the fitment and quality of our products, but if you choose to return an item, we offer a generous 60 day returns policy. See our returns policy here.

Warranty

All products sold by Whiteline are covered by a national warranty. The product's warranty is subject to conditions from the date of purchase, unless otherwise stated on the item.

Warranty claims must meet certain criteria and be sent to Whiteline with a receipt to be eligible for a refund. See full warranty claim criteria here.