0 ratings
Item #:
98753785
Roush 421839 Over Kit (2015+ Mustang 5.0L Coil - Single Adjustable), 1 Pack
Item #:
98753785
GBP 1588
Price Details
Price
GBP 1588
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Wednesday, July 15
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
ROUSH Performance's mission is to deliver quality high performance automotive products and services.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Enhanced Adjustability
The single adjustable design allows for precise tuning, enhancing performance and handling specific to the 2015+ Mustang 5.0L, making it ideal for enthusiasts seeking a personalized driving experience.
Quality Engineering
Manufactured by Roush, this over kit reflects superior craftsmanship and durability, ensuring long-lasting performance that can withstand the rigors of high-performance use without compromising reliability.
Performance Boost
Designed to address common handling issues in Mustangs, this kit dramatically improves suspension performance, providing a noticeable upgrade that enhances driving dynamics and ensures a smoother ride.
Product Details
| Item Weight | 5 lbs (2.27 kg) |
Who Should Buy?
-
Performance Enthusiasts
Ideal for car enthusiasts looking to enhance performance with adjustable coilover suspension for better handling.
-
Track Racers
Perfect for those who participate in track days, allowing for precise adjustments to optimize their Mustang’s setup.
-
Custom Tuners
Suitable for owners who enjoy modifying their vehicles, providing them with flexibility in suspension tuning.
-
Casual Drivers
Not designed for everyday drivers who prioritize comfort over performance enhancements in their vehicles.
-
Budget Buyers
May not be suitable for those on a tight budget as it represents a premium suspension upgrade.
-
Unskilled Installers
Not ideal for users lacking mechanical skills, as proper installation is crucial for optimal performance and safety.
Product Description
Roush 421839 Over Kit (2015+ Mustang 5.0L Coil - Single Adjustable), 1 Pack
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the Roush 421839 Over Kit?
Answer: The Roush 421839 Over Kit is designed to enhance the performance of the 2015+ Mustang 5.0L by providing adjustable coil settings. This allows car enthusiasts to fine-tune their suspension for better handling and ride quality. The adjustable feature is especially beneficial for those who participate in racing or performance driving, as it accommodates various driving styles and conditions, enabling drivers to achieve optimal performance in different scenarios. -
Question:
Is the Roush 421839 Over Kit compatible with all Mustang models?
Answer: No, the Roush 421839 Over Kit is specifically designed for the 2015 and newer Mustang 5.0L models. Ensuring compatibility is crucial as different engine variants may have distinct suspension systems. Therefore, it's always advisable for customers to confirm their vehicle's make and model before purchasing. Using the correct kit ensures that the performance improvements are maximized and function as intended. -
Question:
Can I install the Roush 421839 Over Kit myself?
Answer: While some experienced DIY mechanics may feel confident tackling the installation, professional installation is recommended to ensure that the suspension kit is properly fitted. The complexity involved in adjusting coilovers to the correct specifications can be challenging. For best results, consider seeking help from a certified mechanic or suspension specialist to maintain safety and performance integrity. -
Question:
What are the benefits of adjustable coil settings in the Roush 421839 kit?
Answer: The adjustable coil settings in the Roush 421839 kit allow drivers to customize their suspension based on personal preferences or specific driving conditions. This flexibility can lead to improved handling, ride comfort, and overall driving experience. For instance, you may prefer a stiffer setup for competitive driving and a softer setup for daily commuting; this kit empowers you to achieve just that. -
Question:
How does the Roush 421839 Over Kit improve my Mustang's handling?
Answer: The Roush 421839 Over Kit enhances handling by lowering the center of gravity and allowing for precise suspension adjustments. By fine-tuning the coilover settings, drivers can minimize body roll during cornering, leading to sharper steering response and better traction. This is particularly advantageous for those who enjoy spirited driving or participate in track events, as it enhances performance significantly. -
Question:
What materials is the Roush 421839 Over Kit made from?
Answer: The Roush 421839 Over Kit is constructed from high-quality materials that provide durability and longevity. The coilovers typically incorporate robust metal components designed to withstand harsh driving conditions and resist wear over time. This construction ensures that the performance enhancements last, giving drivers confidence in their investment when pushing their vehicle to the limits. -
Question:
Do I need additional tools for the installation of the Roush 421839 Over Kit?
Answer: Yes, installing the Roush 421839 Over Kit requires specific tools, including a socket set, wrenches, and possibly a torque wrench for proper installation. Having the right tools is essential for ensuring that each component is securely fastened and aligned. If unsure about the required tools or installation process, referring to a professional service can provide peace of mind regarding the integrity of your vehicle's suspension. -
Question:
What makes Roush a reputable brand for automotive parts?
Answer: Roush is well-known in the automotive industry for engineering high-performance parts tailored for Ford vehicles, particularly Mustangs. Their commitment to quality and performance has earned them a loyal customer base. Roush products undergo rigorous testing to ensure they meet the highest standards, making them a trusted choice among car enthusiasts and professionals alike. -
Question:
How can I adjust the coil settings on the Roush 421839 kit?
Answer: Adjusting the coil settings on the Roush 421839 kit typically involves rotating the adjustment collars located on the coilovers. It's essential to take measurements before making adjustments to maintain desired height and tension levels. Always refer to the installation manual for specific instructions, as making adjustments incorrectly can negatively impact performance. This feature allows you to transition seamlessly between daily driving and track performance. -
Question:
Where can I buy Roush 421839 Over Kit (2015+ Mustang 5.0L Coil - Single Adjustable), 1 Pack in UK?
Answer: You can buy the Roush 421839 Over Kit (2015+ Mustang 5.0L Coil - Single Adjustable) from Ubuy in UK. Ubuy offers a convenient platform for enthusiasts seeking quality automotive parts, including Roush products. Browsing their collection can ensure you find the right fit for your Mustang, along with beneficial product information and customer reviews.
Roush Stabilizers Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GBP 1588
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Wednesday, July 15
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High-performance automotive products and services.
- Includes completely assembled pre-titled vehicles.
- Offers aftermarket performance parts and crate engines.
- Expert installation and hot rod restoration services.
- Custom graphics available for personalization.
- Backed by extensive engineering and manufacturing capabilities.