Dežru Spec-S • Street & Touring 2011–2018 Ford Focus Coilover System

Sharper response and real-world comfort for the modern daily driver.

Designed to lower your Focus by approximately 25–50 mm while staying composed on imperfect roads, the Spec-S improves turn-in and body control without sacrificing daily usability.

Digressive monotube shocks Nickel-plated shock bodies Vehicle Specific Spring Rates

Dežru Spec-S Coilovers – 2011–2018 Ford Focus

The Dežru Spec-S coilover system is engineered specifically for the 2011–2018 Ford Focus, a chassis known for its engaging handling and everyday practicality. Developed around the Focus’ suspension geometry, weight distribution, and real-world use, the Spec-S delivers improved precision and confidence while retaining daily comfort.

Built for drivers who use their Focus as a daily but still enjoy spirited driving, back-road runs, and occasional track days, the Spec-S uses digressive piston valving to provide strong low-speed support during braking, turn-in, and transitions, while remaining compliant over rough pavement and expansion joints. Instead of chasing excessive stiffness, the system targets a balanced ride frequency in the ~1.9–2.1 Hz range, resulting in a controlled yet livable ride.

Properly proportioned damper stroke paired with a 25–40 mm adjustable lowered ride height preserves usable travel and suspension geometry. This ensures the Focus remains predictable, stable, and confidence-inspiring in both daily and performance driving scenarios.

Key Features

Digressive monotube dampers for controlled body motion, consistent damping performance, and clear steering feedback.
Height-adjustable ride height with a typical 25–40 mm drop to improve stance and center of gravity without destroying ride quality.
1-way adjustable damping to fine-tune rebound for commuting, canyon roads, or track use.
280 lb/in front and 330 lb/in rear spring rates, selected to balance compliance with chassis support on the Focus platform.
Linear performance springs for predictable load transfer and consistent behavior throughout travel.
OEM-style upper mounts where applicable to reduce NVH and maintain proper fitment.
Hand-built, dyno-matched pairs to ensure accurate left-to-right damping consistency.

Performance Character

The Spec-S improves the Ford Focus’ composure by reducing excess body motion while maintaining traction and comfort. The digressive damping profile offers firm support during initial inputs and transitions, paired with compliance that helps the tires stay planted as grip builds.

The result is a refined, balanced, and confidence-inspiring suspension setup that feels at home on a daily commute yet remains responsive and capable when driven hard.

Why We Recommend 280 lb/in Front & 330 lb/in Rear for the 2011–2018 Ford Focus / Focus ST

The Ford Focus and Focus ST are front-wheel-drive platforms with a front-heavy weight distribution and a factory suspension tuned for comfort and stability. While that makes them easy to drive, it can also lead to body roll, front-end dive, and a tendency to understeer when pushed.

Our 280 / 330 spring rate setup is designed to improve balance and responsiveness while maintaining everyday drivability.

By running a higher spring rate in the rear, we help counteract the platform’s natural understeer. The 330 lb/in rear spring increases rear roll stiffness, which helps the car rotate more naturally and feel more responsive during cornering and transitions.

Up front, the 280 lb/in spring provides the support needed to reduce brake dive and improve turn-in, while still maintaining enough compliance to preserve front-end grip and ride quality. Over-stiffening the front can reduce traction in a front-wheel-drive car, which is why we keep the front rate more moderate.

The result is a setup that:

Reduces body roll and front-end dive
Improves rotation and cornering balance
Enhances responsiveness and driver feedback
Maintains a comfortable, street-friendly ride

This pairing is designed to work with our digressive valving, where the shock provides strong low-speed control during braking and cornering. That allows us to use properly balanced spring rates instead of relying on excessive stiffness, keeping the ride composed without becoming harsh.

Overall, 280 front / 330 rear gives the Focus a more neutral, responsive, and confidence-inspiring feel, reducing understeer while maintaining the comfort and usability expected from a daily-driven performance car.

Dežru Performance Suspension warrants to the original purchaser that these parts manufactured and/or sold by Dežru Performance Suspension (the product) is free from defects in material and workmanship under normal use. Dežru Performance Suspension warrants that the product will perform substantially in accordance with the specifications set forth in the documentation provided with it. The above express warranties are made for a period of the lesser of 12,000 miles or 36 months from the date the product is installed in your vehicle. Any improper use, operation beyond capacity, substitution or addition of parts not approved by Dežru Suspension in writing, any alteration or repair by others, or any removal, defacing or altering of the identification shall void this warranty. There is no warranty on high-performance or race related parts due to the nature of usage.