Swift Sport Springs - 2012-2018 Porsche 911, manufacturer part number 4X917L, is the exact vehicle-specific Swift sport 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 |
|---|---|---|
| 2012-2018 | Porsche | 911 |
Specifications
| Brand | Swift Springs |
|---|---|
| Manufacturer Part Number | 4X917L |
| Product Type | Lowering Springs |
| Product Line | Sport Springs |
| Front Spring Rate | 3.6 kgf/mm |
| Rear Spring Rate | 7.7 kgf/mm |
| Front Lowering Amount | 1.1 in |
| Rear Lowering Amount | 1.1 in |
| Condition | New |
What's Included
One new vehicle-specific Swift sport springs set identified by manufacturer part number 4X917L. 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
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Frequently Asked Questions
Will Swift Springs 4X917L fit my vehicle?
Match the exact year, make, model, manufacturer part number, factory suspension, and every application note. Carrera and Carrera S application. Confirm the exact factory suspension configuration.
Can Swift Springs 4X917L 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 4X917L?
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 4X917L. 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.
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