
XYZ Racing Super Sport Coilovers — Honda CIVIC FC φ50.5 SEDAN/HATCHBACK (Modified Rear lntegrated) 2015-2021
SKU: HN258-SS
- IncludesFull set of 4 (front + rear)
- Spring rate (F/R)8 / 4 kg/mm
- Top mountFront: Pillow ball + rubber / Hardened rubber · Rear: Iron
- Lead time10–15 working days
Fits Honda CIVIC FC φ50.5 SEDAN/HATCHBACK (Modified Rear lntegrated) (2015-2021) chassis HN258
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The FC-generation Civic sold with the modified rear-integrated subframe carries its rear axle loads differently to the standard multi-link FC, and the factory dampers on this HN25-8 variant were never valved with that difference in mind. XYZ Racing built the Super Sport kit around the φ50.5mm strut body this chassis needs, giving Honda Civic FC owners a coilover that copes with a fast-road commute during the week and a track day at the weekend without a parts change in between.
Ride height and damping both adjust independently on the car, which matters on a front-heavy four-cylinder layout like this one, where the balance between front grip and rear rotation shifts noticeably once spring rates go up. This is a coilover for owners who want one set-up that does daily duty and still holds together for a session at Anglesey or Cadwell.
What this coilover does for your 2015-2021 Honda Civic FC Sedan/Hatchback
Fitted to a 2015-2021 Civic FC on the modified rear-integrated subframe, the Super Sport kit takes the harshness out of UK B-roads and speed humps that stock dampers transmit straight into the cabin, while still giving you enough low-speed control to stop the nose diving under trail-braking into a hairpin. The 36-way damping adjustment lets you soften the compression circuit for a motorway run home and firm it back up before a track session, rather than living with one compromise setting all year. Independent ride-height adjustment means you can drop the car for a cleaner aero profile and sharper turn-in without sacrificing the suspension travel a road-going Civic still needs over broken tarmac. Where the standard dampers on this FC variant wallow under quick direction changes, the monotube-style Super Sport set-up keeps the rear axle settled through fast transitions, which is where this chassis’s modified rear subframe behaves differently from the standard car.
About the Super Sport coilover
The Super Sport range is XYZ Racing’s answer to the discomfort that comes from running a stiffer damper on a car that still has to deal with rough, unmaintained roads day to day. Rather than forcing a choice between comfort and control, the damper offers 36 individual points of adjustment across its range, so the compression and rebound feel can be moved from a soft, road-biased setting through to something firm enough for a fast lap without changing hardware. Ride height is adjustable independently of that damping curve, letting the car be set low for stance or track geometry while the spring preload stays correct for the rate fitted. XYZ positions this as a dual-purpose kit: engineered to take the sting out of potholes and speed bumps on the commute, but with enough range in the adjuster to be wound up for a weekend on circuit. It’s the mid-tier answer for a Civic FC owner who wants more control than a standard road damper offers without stepping up to a full track-only spec.
Fitment for the Honda Civic FC φ50.5 Sedan/Hatchback (2015-2021)
This kit is built for the HN25-8-coded Civic FC sedan and hatchback fitted with the modified rear-integrated subframe, covering the 2015 to 2021 model years. Confirm your car uses this specific rear-end variant rather than the standard FC multi-link layout before ordering, as the two use different rear mounting hardware.
What buyers also search for
- Honda Civic FC coilover upgrade for road and track use
- Honda Civic FC damping adjustment that holds up across repeat trips to the circuit
- Honda Civic FC ride height adjustable coilover kit for the HN25-8 chassis
- Civic FC Super Sport suspension for a daily-driven car that still sees track days
- Honda Civic FC modified rear-integrated subframe coilover fitment
Configure your Super Sport spec for the Civic FC below and select the ride height and damping range that matches how you actually drive the car.
Top mounts included with your kit
Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.
Front
Pillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
Hardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.
Rear
IronIRONIron upper mount — a heavy-duty housing built to take sustained load where a stronger top mount is required.
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