Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Instruction Sheets for Part Number RSP-421839
Roush Mustang Single Adjustable Coilover Kits for 2015-2025 MUSTANG - 421839
Part Number: RSP-421839
Roush Mustang Single Adjustable Coilover Kits
Coilover Kit, Single Adjustable, Front and Rear, 1.0 - 1.5 in. Lowered Suspension Height Adjustment, Steel Shock Body, Red Spring Finish, Ford, Kit
See More Specifications
Estimated Ship Date: Nov 2, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
421839
Part Type:
Product Line:
Summit Racing Part Number:
RSP-421839
UPC:
844764005037
Coilover Kit Position:
Front and rear
Adjustable Valving:
No
Shocks Included:
Yes
Coilover Springs Included:
Yes
Suspension Height Adjustment:
1.0-1.5 in. lowered
Gas Charged:
No
Shock Body Material:
Steel
Spring Finish:
Red
Crossmember Included:
No
Adjustable Mounting Bracket Included:
Yes
Hardware Included:
No
Welding Required:
No
Quantity:
Sold as a kit.
Notes:
Kit will lower car approximately 1.5 in. in the front and 1.0 in. in the rear; includes height adjustment spanners. Will not fit models equipped with MagneRide suspension.
Roush Mustang Single Adjustable Coilover Kits
Dramatically improve your car's handling and appearance with Roush Performance single adjustable coilover kits. Their kits combine performance struts and shocks, tuned for a perfect balance of control and comfort, with height adjustable performance springs that will lower your car with plenty of room for adjustment. Easily tailor the stance of your ride, or adjust corner weights for optimum balance.
Designed to increase lateral acceleration, their kits are perfect for track days, autocross, or a spirited drive down your favorite back road. Roush suspension kits are engineered and tested to achieve proper balance with the whole vehicle as an integrated system. They maintain a high level of ride quality on the street while increasing performance on the track and will take your ride to the next level.
Applications
Loading...
Loading...
Questions & Answers
Ask a Question
What type of question would you like to submit?
I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
a question about this Product. Product Related Question
Loading...
Reviews Write a Review
Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Email this page
