Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Subaru BRZ MK2 (2021-2026)
SKU: XYZ-BRK-BKF-SU-01-B-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø286–444 mm
- Caliper pots4 / 6 / 8 / 12-pot
- Lead time10–15 working days
Fits Subaru BRZ MK2 (2021-2026)
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Caliper render for this kit:
The ZD8 BRZ arrived in 2021 with Subaru’s FA24 boxer, 228bhp and 250Nm, up 31bhp on the outgoing car and a genuine step forward in the BRZ’s ability to carry speed. The chassis balance that made the first-gen a cult track tool survived the transition intact, and so did the argument against the standard front brakes: under sustained circuit use, the stock setup cannot keep pace with the rest of the car.
Brake confidence in the ZD8 is not about emergency stopping. It is about late, consistent braking as you thread the BRZ into a corner on the limit, the moment the front end tells you exactly what is happening or goes quiet when it should not. The XYZ Racing Hollow Front Brake Kit is a front-axle kit built for that: a matched pair of front calipers and two-piece floating discs for the left and right corners.
What this brake kit does for your 2021-2026 Subaru BRZ MK2
The kit improves the ZD8’s braking across thermal capacity, rotating mass and compound choice. The two-piece floating discs run an aluminium centre bell bolted to an iron friction ring, which removes weight from the disc without compromising structural integrity and reduces the rotating mass the front suspension has to manage. On a car where the front axle already carries the weight of that flat-four sitting ahead of the centreline, lighter rotating components translate directly into sharper turn-in and more consistent pedal feel. The hollow-vane disc draws cooling air through the rotor body so heat sheds between braking zones rather than soaking in, which keeps the pedal repeatable through tight, successive corner sequences where the brakes get no clear cooling window. Braided stainless lines are included for a firmer pedal than rubber hoses that swell under load.
Three pad compounds cover daily road use through to repeat track sessions without a hardware change. Street is the quiet, low-dust road default; Sport adds bite and heat range for fast road with the occasional track day; Racing is a full circuit compound optimised for sustained high-temperature load across a session.
About the Hollow Front Brake Kit
The hollow-vane name comes from the disc’s internal ventilation. Cooling channels run through the rotor body and pull air across the friction surfaces while the wheel turns, shedding heat into the airstream instead of letting it build with nowhere to go. The calipers are hollow-body as standard for stiffness without excess weight, and the kit covers the front axle as a pair because that is where the BRZ does the majority of its braking work.
Discs come drilled or slotted at the same price, so you can choose on looks or wet-weather feel. Included caliper finishes are Red, Yellow, Gold, Black and Anodized Black at no extra cost, with a Custom Color to any Pantone code for a small upcharge. Premium polished-forged finishes (Titanium, Polished Gold, Polished Silver) and candy finishes (Candy Teal, Candy Blue, Candy Red, Candy Orange) sit in a separate upgrade tier. Two-tone centre bells in five anodized colours, or a titanium bell, are selectable at checkout. For serious track use there is an optional Hollow Racing caliper, run without a dust cover, rated to 1000C and backed by a two-year warranty, so the kit integrates with the build rather than standing out as an afterthought.
Fitment for the Subaru BRZ MK2 (2021-2026)
This front brake kit is designed for the Subaru BRZ MK2, covering the ZD8 platform from its 2021 introduction through to the 2026 model year, and fits the front axle as a left-and-right pair. Confirm your car is the MK2 generation, the ZD8 and not the ZC6 first-generation, before ordering. Fitment data is specific to the 2021-2026 production run, front axle only.
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Select your pad compound, disc style and caliper finish when you order to build your kit.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 286–444 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 4 / 6 / 8 / 12-pot
- 2×High-stiffness mounting brackets
- 2×Braided stainless steel brake lines
- 4×High-performance brake pads (1 set)
- 1×Fitting hardware & tools pack
Choosing your spec
Every kit is built to order around the choices you make above. Here is what each option actually changes, so you can spec yours with confidence.
Brake pads — Street, Sport or Racing
Every kit ships with a full set of high-performance pads; the compound is your call.
Street is the right default for fast-road driving — a strong, progressive cold bite with low noise, low dust and long disc life. Sport raises the working temperature and adds bite and fade resistance for hard road use and the occasional track day, while still behaving on a cold morning. Racing is a track compound built for sustained abuse: huge fade resistance and bite once heat is in it, at the cost of more noise and dust when cold. Match the pad to how hard you actually use the brakes — there is no benefit to a race pad that never gets up to temperature.
Caliper grade — Hollow vs Hollow Racing
Hollow is the standard caliper on every kit: a hollow-body forged caliper, lighter than a solid one, fitted with a dust cover and backed by a 5-year oil-leak warranty. For most fast-road and spirited track use it is all the caliper you need.
Hollow Racing is the track-grade upgrade. It runs the same hollow body but without a dust cover (so there is nothing to melt at sustained high temperature), uses a twin-metal piston that isolates heat travelling from the disc to the oil seal, and is rated to 1000°C. Available 286–380mm (front). Warranty is 2 years on oil leaks and 10 years on appearance. Built for professional racing and repeated track days.
Caliper colour & finish
Painted colours (Red, Yellow, Gold, Black, Anodized Black) are included at no cost. Want an exact match to your car? Custom Color (+£150) paints the calipers to any Pantone code you supply (15–20 day lead time).
Polished Forged finishes are the flagship: a forged caliper given a mirror-polished surface treatment that shifts colour with the viewing angle. Beyond the looks, the polished surface dissipates heat better, resists rust and stands up to the weather. Choose Titanium (neochrome, +£350), Polished Gold (+£300) or Polished Silver (+£250). They look their best paired with a titanium centre bell. Care: clean only with a dilute neutral cleaner or water.
Candy colours (+£200) use a deep candy-paint and polishing process for a mirror-reflection, boutique finish — pick Teal, Blue, Red or Orange (shown below right).
Centre bells
The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. The standard anodized centre bell is included. The Two-tone bell (+£200) adds an anodized accent ring — choose Red, Yellow, Orange, Purple or Silver right here at checkout. The Titanium centre bell (+£500) is a forged titanium bell (bolts not included) that finishes off the polished-forged look.
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