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.

KDT966

Rear Differential Mount - Bushing Kit to Suit Ford Mustang S550, S650

Rear Differential Mount - Bushing Kit to Suit Ford Mustang S550, S650

Item Price

$368.50

SKU	KDT966
Warranty	3 years warranty or up to 60,000km
Installation Time	6 Hours
Fitting Position	Rear Axle

Select your car to check fitment.

Pre-Order

Available for Preorder. Stock due on 1/6/2026.

Description

Benefit Note: Whiteline's differential bushing solutions ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.

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

Specifications

Kit Specifications

Bush Type	Bush Quantity	OD (A)	ID (B)	Length (C)	Flange Thickness (D)	Flange OD (E)	C/Tube Quantity	C/Tube ODxIDxL	Similar Bushing Size
20 - Misc	4 mm								Click Here

Bush Type	20 - Misc
Bush Quantity	4 mm
OD (A)
ID (B)
Length (C)
Flange Thickness (D)
Flange OD (E)
C/Tube Quantity
C/Tube ODxIDxL
Similar Bushing Size	Click Here

Looking for that hard-to-find part? Start your search here Whiteline Bushing Type & Size Register

Packaged Weight and Dimensions

More Information
Units	Weight	Length	Width	Height
cm/kg	2.6kg	45cm	10cm	20cm
in/lbs	5.73lbs	17.72"	3.94"	7.87"

Units	cm/kg	in/lbs
Weight	2.6kg	5.73lbs
Length	45cm	17.72"
Width	10cm	3.94"
Height	20cm	7.87"

Misc. Product Information

More Information
SKU	KDT966
Components Per	4 Shell Bushings, 2 Bolts, 8 Washers, 2 Nuts
Kits Required	1
Sub brand	Performance
Product Note	Balances comfort with performance while minimising noise and vibrations; the perfect, complete upgrade. Includes: 4 Shell Bushings, 2 Bolts, 8 Washers & 2 Nuts
EAN	9319924453337

Installation & Fitment Guide

More Information
Install Guide	Downloads
Installation Time	6 Hours
Installation Difficulty	Suspension Specialist recommended. Use our Click & Fit service.
Wheel Alignment Required	Yes
Recommend Wheel Alignment	Rear Wheel Alignment

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.

Shipping & Returns

Product Stock

All stock is stored in our warehouses. Want your parts installed? Select Click & Fit at checkout.

Delivery Options

Click & Fit – Get your product delivered and installed by experts for a special fitted price. We'll handle everything for you.
Free Pickup – Collect your order from your nearest Fulcrum outlet. We'll send you tracking updates via text and email.
Deliver to Door – Have your order shipped directly to your address with tracking updates.

Shipping

FREE shipping to metro areas (excl. WA, TAS & NT).
Free shipping eligibility is based on location density and may change.
Express and free shipping both follow the same order processing times; the difference is transit time.
See our shipping policy for full details.

Returns

We offer a 60-day return policy if you need to return an item. See our returns policy.

Warranty

All products are covered by a national warranty. Claims require proof of purchase and must meet criteria. See our warranty details.

Click & Fit

Select “Click & Fit” as a delivery method during the checkout process and you will be given a special fitted price to have both the product delivered and installed. A suspension expert will be assigned to your order, who will organise everything and will help you every step of the way. You can sit back and relax, knowing that your car is going to be looked after by suspension experts.

Your assigned suspension expert will confirm all the details for your booking. Your parts will then be delivered to your closest Whiteline workshop and an installation date will be booked based on your preference. You then bring your car on the booking date and Whiteline will manage the installation for you.

Installation includes full product installation by a qualified suspension technician, a full wheel alignment, a complete suspension check, a visual brake inspection, and a complete report. We also offer a complimentary 1000km check-up service, which includes a suspension check and any retention work, your alignment and tyre wear will also be checked. If we find that anything needs to be amended during our 1000km check, we will carry out this work free of charge. This includes a wheel alignment, if required.

Throughout your order, installation, and service. You will be kept up to date every step of the way. Whiteline offers this service to ensure you get the best possible experience.