

2005-2026 Powerstroke 4x4 Leveling Springs (8663-25)
Description
Fits
| Year | Make | Model |
| 2005-2007 | Ford | F-250/F-350/F-450/F-550 w/ 6.0L Powerstroke |
| 2008-2010 | Ford | F-250/F-350/F-450/F-550 w/ 6.4L Powerstroke |
| 2011-2026 | Ford | F-250/F-350/F-450/F-550/F-600 w/ 6.7L Powerstroke |
Note: These springs are ONLY compatible with 4x4 front axle models.
Give your Super Duty the aggressive stance it deserves without sacrificing the smooth ride quality you expect from a high-end hauler. These Synergy leveling springs provide a 2.5-inch lift for your 4x4 Powerstroke, utilizing a progressive-rate design that soaks up pavement chatter while offering heavy-duty bottoming resistance when the pavement ends. Manufactured from 5160H spring steel right here in the USA, these coils are pre-set to ensure your front end never sags, keeping your truck level and trail-ready for years to come.
Part Number: 8663-25
Features
- Compatible with the 2.5-inch Leveling Kit
- Progressive Dual-Rate Design
- Abrasion-Resistant Powder Coat
- Pre-Set. This means no spring sag for the life of the spring
- Increased bottoming resistance
- Increased travel
- Fits in the stock location
- No modifications required to install
Specifications
- Solid Height: 10 ¼“
- Free Length: 22”
- Hot-formed: Made from 5160H spring steel
Includes
- (2) Front Leveling Coil Springs
Notes
- Not compatible with trucks equipped with a Front Suspension Height Sensor unless the sensor is removed or the linkage arm is lengthened.
- Specifically sprung for the weight of diesel engine applications.
Original: $296.21
-65%$296.21
$103.67Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Model |
| 2005-2007 | Ford | F-250/F-350/F-450/F-550 w/ 6.0L Powerstroke |
| 2008-2010 | Ford | F-250/F-350/F-450/F-550 w/ 6.4L Powerstroke |
| 2011-2026 | Ford | F-250/F-350/F-450/F-550/F-600 w/ 6.7L Powerstroke |
Note: These springs are ONLY compatible with 4x4 front axle models.
Give your Super Duty the aggressive stance it deserves without sacrificing the smooth ride quality you expect from a high-end hauler. These Synergy leveling springs provide a 2.5-inch lift for your 4x4 Powerstroke, utilizing a progressive-rate design that soaks up pavement chatter while offering heavy-duty bottoming resistance when the pavement ends. Manufactured from 5160H spring steel right here in the USA, these coils are pre-set to ensure your front end never sags, keeping your truck level and trail-ready for years to come.
Part Number: 8663-25
Features
- Compatible with the 2.5-inch Leveling Kit
- Progressive Dual-Rate Design
- Abrasion-Resistant Powder Coat
- Pre-Set. This means no spring sag for the life of the spring
- Increased bottoming resistance
- Increased travel
- Fits in the stock location
- No modifications required to install
Specifications
- Solid Height: 10 ¼“
- Free Length: 22”
- Hot-formed: Made from 5160H spring steel
Includes
- (2) Front Leveling Coil Springs
Notes
- Not compatible with trucks equipped with a Front Suspension Height Sensor unless the sensor is removed or the linkage arm is lengthened.
- Specifically sprung for the weight of diesel engine applications.



















