Tein Street Basis Z Coilovers Ford Mustang S550 2.3L EcoBoost (2015+) – Height Adjustable Coilover Suspension Kit, Lowering Shocks & Springs, Performance Street/Fast Road Stance Upgrade, Adjustable Shock Absorbers, 4-Cylinder Turbo

Transform the way your Ford Mustang 2.3 EcoBoost S550 drives with this height adjustable suspension kit. Designed for owners who want sharper handling, a purposeful drop and everyday comfort, it delivers a fast road upgrade without the premium price tag. Expect better turn in, reduced body roll and a cleaner stance, all while keeping the car usable on British roads.

Why choose this Mustang suspension upgrade

• Ride height adjustability via threaded spring seats for that perfect drop and wheel fitment
• Comfortable twin tube damper design for compliant road manners and confident control
• Retains original top mounts for a straightforward, bolt-on installation
• High quality springs that resist sag and keep their rate over time
• Durable finishes with corrosion protection that stands up to UK weather and road salt

Benefits you will feel

• Lower centre of gravity for improved cornering and stability
• More precise steering response and better body control
• Smoother strokes over rough surfaces thanks to refined internal valving
• Confident road holding for daily driving, B-road blasts and occasional track use
• Cleaner stance and reduced wheel arch gap for an aggressive look

Technical highlights

• Threaded lower spring seats for simple height changes with the supplied adjusters
• Twin tube shock absorber layout for longer stroke and supple ride quality
• Protective dust boots to shield piston rods and seals from grit and debris
• Cold formed SAE9254 steel springs engineered to resist fatigue and sagging
• High performance damper oil with stable viscosity and anti-foaming properties for consistent damping
• Signature green powder coated bodies with additional surface treatment on threads for enhanced rust resistance

Fitment

Compatible with Ford Mustang S550 2.3 EcoBoost models from 2015 onwards. This kit is ideal for owners searching for a lowering kit, coilover shock absorbers, adjustable shocks and springs, or a complete performance suspension package for the 4 cylinder turbo Mustang.

Real world results

We run these on customer cars and feedback has been consistently positive. Drivers report a more planted feel, less float at speed and a ride that remains comfortable for commuting. It is a brilliant value upgrade for road use and fast road setups.

Popular search terms

Mustang suspension kit, S550 EcoBoost suspension, height adjustable shocks, lowering suspension, coilover kit, Mustang stance setup, shock and spring kit, performance suspension upgrade, street coilovers, fast road suspension, Ford Mustang 2.3 turbo suspension.

Installation and support

Want it fitted professionally with alignment advice tailored to your car Use MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk and our team will be happy to help.