Swift Spec-R Springs - 2015-2023 Ford Mustang, manufacturer part number 4X914R, is the exact vehicle-specific Swift spec-r springs set shown in this listing. Confirm the full application and current manufacturer specifications before ordering.
Key Features
- Complete a professional four-wheel alignment after the springs settle.
Fitment
| Years | Make | Model |
|---|---|---|
| 2015-2023 | Ford | Mustang |
Specifications
| Brand | Swift Springs |
|---|---|
| Manufacturer Part Number | 4X914R |
| Product Type | Lowering Springs |
| Product Line | Spec-R Springs |
| Front Spring Rate | 5.0 kgf/mm |
| Rear Spring Rate | 14.0 kgf/mm |
| Front Lowering Amount | 1.1 in |
| Rear Lowering Amount | 1.0 in |
| Condition | New |
What's Included
One new vehicle-specific Swift spec-r springs set identified by manufacturer part number 4X914R. Reused factory mounts, dampers, bump stops, isolators, and service hardware are included only when expressly listed by Swift.
About Swift Springs
Swift Springs develops application-specific performance spring sets using its proprietary spring material and vehicle-specific rate, travel, and ride-height targets.
Related Swift Springs Products
- Shop all Swift Springs products
- Swift Spec-R Springs - 2013 Ford Focus
- Swift Spec-R Springs - 2013-2018 Ford Focus
- Swift Spec-R Springs - 2003-2007 Mitsubishi Lancer Evolution
Frequently Asked Questions
Will Swift Springs 4X914R fit my vehicle?
Match the exact year, make, model, manufacturer part number, factory suspension, and every application note. Mustang GT application. Confirm the exact factory suspension configuration.
Can Swift Springs 4X914R be used with factory dampers?
Swift develops these springs around the applicable factory suspension, but damper condition and vehicle configuration still matter. Replace worn components and confirm current Swift guidance before installation.
What service is required after installing Swift Springs 4X914R?
Verify spring seating, fastener torque, brake-line and tire clearance, ride height, and suspension travel. Complete a professional four-wheel alignment after the springs settle.
Installation
Follow the current Swift instructions and the vehicle manufacturer's service procedure for part number 4X914R. Use an approved spring compressor where required, replace one-time-use hardware, torque all fasteners at the specified suspension position, verify clearances, and complete a four-wheel alignment before normal driving.
Ford Mustang Parts & Accessories
Shop Ford Mustang parts for exhaust projects, body changes, brake service and chassis work at Black Ops Auto Works. Compare CORSA exhaust references, Anderson Composites panels, Baer or DBA brake options and suspension components. Build your order around the exact Mustang generation, engine, body, transmission and installed equipment.CORSA Exhaust and Engine-Specific ProjectsCORSA references include 2020β2022 Shelby GT500 active cat-back systems with different tip configurations. Match factory valve equipment, body and complete system coverage before comparing finishes. BBK headers, intake and MAF references span other engines and production ranges. Ford modular intake, Boundary oil-pump and Mishimoto EcoBoost intercooler references require their own exact engine and installation checks.Carbon Fiber, Fiberglass and Exterior DetailsAnderson Composites fenders, hoods and bumper inserts distinguish production ranges, materials and body applications. APR plate backing, S550 quarter louv...
View Ford Mustang Parts & Accessories Products
Lowering Springs
Lowering Springs for Cars, SUVs and Trucks Compare vehicle-specific lowering springs from Eibach, H&R, Swift Springs and other brands at Black Ops Auto Works. Start with your exact year, model, engine, drivetrain and factory suspension package, then check the manufacturer part number and application notes. Drop height, spring rate, supplied quantity and damper requirements vary by kit. Choose by Application and Suspension Package A spring set listed for one trim does not automatically fit another version of the same vehicle. Check exclusions for self-leveling shocks, air suspension, adaptive dampers, towing packages and axle-load limits. For Jeep Grand Cherokee and Dodge Durango applications, distinguish conventional coil springs from Quadra-Lift or self-leveling/Nivomat equipment and check any Tow & Go exclusion on the specific kit. Browse Dodge Durango parts and Grand Cherokee Trackhawk parts for related suspension choices. Keep WK2, newer Grand Cherokee body styles, SRT ...
View Lowering Springs Products
Suspension
Shop suspension parts and kits for maintenance, ride-height changes and a coordinated handling setup. Compare springs, coilovers, dampers, control arms, sway bars, links and service components for the actual vehicle and its factory equipment. Start with the driving goal, then choose a compatible system and the parts needed to complete it.Springs, Coilovers and DampersLowering springs change the spring specification while retaining a compatible damper arrangement. A coilover package can combine springs and adjustable damper hardware, while a shock-and-spring service kit may supply complete corner assemblies. Compare the exact contents and adjustments for each reference.Swift, Eibach and Silverβs options appear alongside application-specific service and upgrade components. Choose the intended ride height, use and retained factory equipment, then review spring/damper compatibility, available travel and clearance.Arms, Links and Roll ControlControl arms and toe links locate the wheel an...
View Suspension Products
Swift Springs
Shop Swift Springs Sport and Spec-R references at Black Ops Auto Works. Explore application-specific spring choices for vehicles including Mustang, Nissan Z, GT-R, Lancer Evolution, BRZ and FR-S. Choose a coordinated suspension project for your exact body, trim and current damper arrangement.Sport and Spec-R ChoicesCompare the exact Sport and Spec-R product references offered for your vehicle rather than treating the family names as one specification. The selection includes different GT-R, Lancer Evolution and FR-S applications. Review stated spring specifications, intended use and full vehicle coverage for the selected package.Generation, Trim and Factory EquipmentProduction ranges, body and suspension equipment can separate similar-looking applications. Confirm factory-damper compatibility and any equipment exclusions in the exact manufacturer application. Review a changed damper, existing ride-height setup or previous suspension work with the installer before choosing the springs...
View Swift Springs Products


