Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Subaru LEGACY BL5 (2003-2009)
SKU: XYZ-BRK-BKF-SU-013-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 LEGACY BL5 (2003-2009)
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Caliper render for this kit:
The BL5 Legacy’s front axle carries the EJ-series engine, gearbox and Symmetrical AWD transfer hardware. The nose-heavy reality of this platform means the front brakes are always working harder than the rears. On a mountain road or a circuit induction day, that loading shows up as heat soak: pedal travel lengthens and stopping distances creep.
The XYZ Racing Hollow Front Brake Kit answers that with a matched pair of front calipers and two-piece floating discs for the left and right corners. It is a single-axle kit, configured for road use, mixed fast-road driving or full circuit work through a choice of pad compound, disc style and caliper finish.
What this brake kit does for your 2003-2009 Subaru Legacy BL5
The hollow-vane disc draws cooling air through the rotor body at the point where the factory disc is most vulnerable, sustained, repeated stops at speed, so heat sheds continuously rather than soaking in. The two-piece floating discs pair an aluminium centre bell with an iron friction ring, holding the disc true through repeated heat cycles and trimming rotating mass at the wheel, which keeps the front end responsive and the suspension settled. Braided stainless lines are included for a firmer pedal than rubber hoses that swell under pressure.
Three pad compounds match the friction to the use. Street is the quiet, low-dust road default, calibrated to bite in cold, damp conditions without a warm-up period, which matters on UK roads more often than not; Sport adds bite and heat range for fast road with the occasional track day; Racing is a full circuit compound that works in the elevated temperature range a session generates, where the factory set-up would be past its limit.
About the Hollow Front Brake Kit
The kit centres on the disc’s internal ventilation. Cooling channels run through the rotor body and draw air across the friction surfaces while the wheel turns, shedding heat into the airstream more effectively than a standard rotor during the kind of sustained stops that build real temperatures in an AWD car with the BL5’s frontal weight bias. The calipers are hollow-body as standard for stiffness without excess weight, supplied as a left-and-right pair covering the front axle.
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.
Fitment for the Subaru Legacy BL5 (2003-2009)
This front kit is confirmed for the Subaru Legacy BL5 across the full 2003 to 2009 production run and fits the front axle as a left-and-right pair. BL5 designates the fourth-generation Legacy sedan, running EJ-series turbocharged engines with Subaru’s Symmetrical AWD. The BL5 body is sedan-specific; the BP5 wagon shares the platform but takes different brake hardware, so confirm your body style before ordering.
What buyers also search for
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Front braking hardware that matches what the BL5’s Symmetrical AWD can put down. Select your compound, disc style and caliper finish when you order.
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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More XYZ products for the Subaru LEGACY BL5 appear here as the rest of the range publishes.