Ride Height
D2 PRO lowering springs provide a sporty ride height designed to improve handling while maintaining excellent street drivability.
Ride height varies slightly depending on trim level, engine, transmission, and factory equipment.
The lowered stance:
- Eliminates excessive factory wheel gap
- Lowers the center of gravity
- Improves overall vehicle balance
- Creates a clean OEM-plus appearance
Progressive Spring Technology
Unlike conventional linear springs, D2 PRO uses an advanced progressive-rate spring design.
As the suspension compresses:
- Spring rate increases progressively
- Suspension remains comfortable during normal driving
- Chassis stiffness increases during aggressive cornering
- Suspension bottoming is reduced
- Driver confidence improves
This allows the vehicle to remain refined during commuting while becoming significantly more responsive during spirited driving.
Premium 55 Chrome Silicon Spring Steel
Every D2 PRO lowering spring is manufactured from premium 55 chrome silicon spring steel, chosen for its exceptional fatigue resistance and long-term durability.
Construction features include:
- Premium 55 chrome silicon spring steel
- Precision cold-wound construction
- Heat-treated manufacturing
- Corrosion-resistant finish
- ISO 9001 certified production
- TÜV-approved manufacturing facility
These manufacturing standards help maintain consistent ride height while preventing premature spring fatigue and sagging.
Improve Civic & Integra Handling
The factory Civic and Integra suspension is engineered to satisfy a broad range of drivers. D2 PRO focuses on enthusiasts looking for greater chassis performance.
Performance improvements include:
- Reduced body roll
- Faster steering response
- Improved suspension feedback
- Better cornering grip
- Lower center of gravity
- Reduced weight transfer
- Reduced wheel hop
- Increased traction under acceleration
- Better braking stability
- More predictable chassis behavior
Whether attacking canyon roads or participating in a local autocross event, the suspension feels noticeably more composed.
Reduce Wheel Hop
Front-wheel-drive performance vehicles often experience wheel hop during aggressive launches.
D2 PRO lowering springs help reduce:
- Front suspension movement
- Excessive weight transfer
- Wheel hop under acceleration
- Chassis flex during hard launches
The result is improved traction and more efficient power delivery to the pavement.
Compatible with OEM and Aftermarket Shocks
D2 PRO lowering springs are designed to work with:
- Factory Honda shocks
- Factory Acura shocks
- OEM replacement dampers
- Performance aftermarket shocks
- Adjustable suspension systems
Performance dampers are recommended for enthusiasts seeking the highest level of suspension control.
Installation Information
Estimated Installation Time
2-4 hours
Professional installation is highly recommended.
Following installation:
- Perform a professional four-wheel alignment.
- Inspect upper mounts and suspension bushings.
- Verify wheel and tire clearance.
- Consider adjustable rear camber arms for aggressive wheel fitments.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | D2 Racing |
| Product Line | D2 PRO Lowering Springs |
| Vehicle | Honda Civic / Civic Si / Acura Integra |
| Years | Civic 2016-2025 / Civic Si 2017-2025 / Integra 2023-2025 |
| Chassis | FC/FK, FE/FL, DE4 |
| Material | 55 Chrome Silicon Spring Steel |
| Spring Design | Progressive Rate |
| Manufacturing | ISO 9001 Certified |
| TÜV Approved Facility | Yes |
| OEM Shock Compatible | Yes |
| Aftermarket Shock Compatible | Yes |
| Warranty | Lifetime Unlimited Mileage Warranty |
Frequently Asked Questions
Will these fit my 2024 Honda Civic Sport?
Yes. These springs fit 2016-2025 Honda Civic Sedan and Hatchback models, including the Sport.
Will these fit the 2025 Civic Si?
Yes. They are compatible with the 2017-2025 Honda Civic Si.
Will they fit the Acura Integra Type S?
No. The Integra Type S uses a different suspension design and requires Type S-specific lowering springs.
Can I use my factory shocks?
Yes. D2 PRO lowering springs are compatible with OEM shocks in good condition. Performance dampers will provide the best handling.
Is this suitable for track days?
Yes. D2 PRO specifically engineered these springs for spirited street driving and occasional light track use.
Why Buy From Pro Street Online?
At Pro Street Online, we know Honda performance. Whether you’re building a clean Civic Sport, a canyon-ready Si, or a refined Acura Integra, we carry enthusiast-tested suspension upgrades backed by expert support and fast shipping.
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