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SF Racing Track Coilovers for 2007-2014 Smart ForTwo (W451)

SF Racing Track Coilovers for 2007-2014 Smart ForTwo (W451)

Regular price $1,195.00 USD
Regular price $1,300.00 USD Sale price $1,195.00 USD
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Listed for: 2007-2014 Smart ForTwo (W451)Fitment notes & questions

SF Racing's Track Coilovers for the 2007-2014 Smart ForTwo (W451) use firmer, track-focused valving for drivers who want sharper response and more control, while staying usable on the street. This version is listed for RWD models.

How this kit is set up for the 2007-2014 Smart ForTwo

Expect true coilovers at the front and a divorced rear, where the spring and damper sit in separate locations as they do from the factory. Damper bodies are 50mm front and 46mm rear. It comes with 3 kg/mm (about 168 lb/in) springs up front and 5 kg/mm (about 280 lb/in) at the rear. Damping is 1-way: a single knob with 32 settings changes rebound and compression together, which keeps tuning quick.

Key features

  • Monotube damper design for better heat control and fewer leaks
  • 32-level damping adjustment, rebound and compression combined on one adjuster
  • Independent lower mount adjustment keeps spring preload and damper travel where they should be when you change height
  • Anodized T6-6061 aluminum top mounts, spring perches and collars for corrosion resistance
  • Zinc-plated shock bodies for rust protection
  • Cold-wound SAE9254 spring steel
  • NOK seals and Italian IP damping oil (20W)
  • Built-in dust boots and bump stops
  • Bolt-on install with no modifications, unless the notes below say otherwise
  • Ride height lowers roughly 1 to 2.5 inches below stock (SF Racing's figure) without giving up suspension travel

Who it suits

Best suited to cars that do track days, autocross or spirited back-road driving, and owners who accept a firmer ride for more control.

Specifications

Part number SF-SM01-02-TR
Vehicle 2007-2014 Smart ForTwo
Chassis W451
Drivetrain RWD
Damper model Track Series
Damping 1-Way: Rebound and Compression
Damper size (front / rear) 50mm diameter / 46mm diameter
Spring rate (front / rear) 3 kg/mm / 5 kg/mm
Design (front / rear) True Coilover / Divorced (Separate shock and spring)
Top mounts (front) Not Applicable
Top mounts (rear) Not Applicable
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SF Racing coilovers for your Smart ForTwo: what to know

This SF Racing kit replaces the factory springs and shocks on the 2007-2014 Smart ForTwo with a height-adjustable coilover at each corner, so you set the ride height instead of living with a fixed drop.

Fitment notes

  • Listed for: 2007-2014 Smart ForTwo (W451).
  • Model years: 2007-2014. Check your car's year falls inside this range.
  • Chassis code W451: you can usually find it in your vehicle documents or by decoding your VIN.
  • Factory adaptive dampers: if your car has electronic or adaptive suspension, check whether the listing covers it or needs a cancellation kit.
  • Specs, lead time and warranty come from SF Racing and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, trim and drivetrain and we'll check with the supplier before you order.

Ask about fitment

Parts that usually go with it

  • An alignment. Any change in ride height changes camber and toe. Set your final height first, then align.
  • Camber and toe adjustment. Bigger drops often need adjustable arms or camber plates to align properly. See alignment and camber kits.
  • Wheel and tire clearance. Check clearance at full lock and full compression, especially with wider wheels. Our ride height and wheel fitment calculator shows how much drop and offset change you are planning.
  • The right spring rate. Compare the rates listed here with what our spring rate calculator suggests for your car's weight and use.

More for your car: Coilovers · All Coilovers

Questions about Smart ForTwo coilovers

Will this fit my Smart ForTwo?
It is listed for the 2007-2014 Smart ForTwo (W451). Check your year, model, drivetrain and chassis code against the product title. If anything is different, contact us and we will confirm fitment with the supplier before you order.
Do I need an alignment after installing coilovers?
Yes. Changing ride height changes camber and toe. Set your final height, let the suspension settle, then get the car aligned.
How low can I go?
It depends on the adjustment range the brand lists, your wheels and tires, and how you use the car. Most cars that are driven hard work best with a modest drop that leaves enough suspension travel.
Where do specs and warranty details come from?
From SF Racing. We sell parts from several brands and suppliers, and each one sets its own specs, lead times and warranty terms. The product details above are the latest we have.
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