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Circuit Master

XYZ Racing Circuit Master Coilovers — Seat LEON 5F Φ55 (Rear Multi-Link Suspension) Modified Rear Integrated (Cancellation Kit for Electronic Damping) 2012-2026

SKU: SE234C-CM

  • IncludesFull set of 4 (front + rear)
  • Spring rate (F/R)22 / 12 kg/mm
  • Top mountFront: Pillow ball + rubber / Hardened rubber · Rear: Iron
  • Lead time10–15 working days

Fits Seat LEON 5F Φ55 (Rear Multi-Link Suspension) Modified Rear Integrated (Cancellation Kit for Electronic Damping) (2012-2026) chassis SE234C

Front spring rate (kg/mm)

22 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 22 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

12 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 12 kg/mm. A custom rate on this axle adds £80.00.

Configured price£3,290.00Inc. VAT

Lead time: 10–15 working days from payment


£3,290.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

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XYZ Racing Circuit Master Coilovers — Seat LEON 5F Φ55 (Rear Multi-Link Suspension) Modified Rear Integrated (Cancellation Kit for Electronic Damping) 2012-2026

The LEON 5F’s rear multi-link setup changes the fitment picture the moment the factory electronic dampers come out. This Circuit Master kit is built specifically for that scenario: a cancellation kit for the electronic damping system, so the rear geometry keeps its multi-link control while the car runs proper manual coilovers instead of fighting the OEM adaptive electronics.

For a front-driven hatch that spends serious time on circuit, that distinction matters more than most spec sheets let on. Swap the electronic dampers for passive units without the correct cancellation approach and the car either throws faults or never settles into a consistent rear platform lap to lap. This kit is built to avoid that outcome entirely.

What this coilover does for your 2012-2026 Seat LEON 5F

Circuit-focused driving on the 5F means managing front-axle load transfer under trail braking and keeping the multi-link rear planted through direction changes, rather than letting the standard adaptive dampers guess at settings mid-corner. The Circuit Master’s 9720-way adjustment range means both ends of the car can be set independently for a given circuit, tyre, and driver weight, rather than accepting one compromise setting for every condition. The 3-knob adjuster layout keeps compression and rebound accessible for changes between sessions, which matters when you’re chasing a setup across a full track day rather than setting it once and leaving it. Fitting a manual damper in place of the electronic unit also removes any dependency on the car’s adaptive-damping control module, so the suspension responds exactly as adjusted rather than through a software layer. The net result on the LEON 5F is a rear axle that stays composed under load and a front end you can lean on earlier into the corner.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s range, developed alongside the brand’s racing teams and refined through extended track testing rather than a single development cycle. The 9720 total damping combinations come from independently adjustable compression and rebound circuits, giving enough range to dial from a stiff qualifying setup down to something liveable on a track day’s road session. The 3 adjustment knobs use a small-orifice oil-flow design; a minor clicking or ticking noise over sharp bumps is a normal characteristic of this valving, not a fault, and XYZ notes it’s a non-issue on the smooth surfaces this kit is intended for. Construction is aimed squarely at repeated circuit use rather than occasional fast-road driving, which is why the range is positioned above XYZ’s road-biased kits. For the LEON 5F specifically, this cancellation-kit variant lets the car keep its multi-link rear geometry intact while removing the factory electronic damper control entirely.

Fitment for the Seat LEON 5F (2012-2026)

This kit is built for the Seat LEON 5F, chassis code SE23-4-C, covering the 2012 to 2026 model years fitted with the rear multi-link suspension layout. It is specifically the cancellation-kit version, designed to replace the car’s electronic damping system rather than bolt alongside it, so confirm your LEON 5F carries the factory adaptive dampers before ordering.

What buyers also search for

  • Seat LEON 5F coilover upgrade for track days and fast road driving
  • Seat LEON 5F electronic damper delete and cancellation kit options
  • Seat LEON 5F Circuit Master damping setup for repeat track sessions
  • Seat LEON 5F multi-link rear suspension coilover fitment
  • Seat LEON 5F adjustable coilovers for circuit-focused setups

This is a fitment-specific kit built around the LEON 5F’s electronic damper cancellation requirement, so check your spec against the configurator below before you build yours.

This is the best design, on the competitive version such as Racing Spec, Drift Spec, Tarmac Rally. This is the ultimate boutique for racing in many international athletics tracks, and test for a long time. This is for purchase handling high performance and the essential partner in different racing. Circuit Master Damper is tested through XYZ racing teams all over the world. 9720 ways of different adjustments can meet all customers’ needs and win the 1st place in every race.

Because its 3 adjustment knobs with small oil hole design, when driving through big bumps, the coilover oil will go through small passage which might cause some small noise. This is normal situation. This product is made for circuit tracks and there will be no concern for bumps on the tracks.

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 + rubber top mountPillow 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 rubber top mountHardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.

Rear

  • Iron top mountIronIRONIron upper mount — a heavy-duty housing built to take sustained load where a stronger top mount is required.
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