Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Infiniti QX70 (S51) (2013-2017)
SKU: XYZ-BRK-BKF-IN-012-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø330–444 mm
- Caliper pots6 / 8 / 12-pot
- Lead time10–15 working days
Fits Infiniti QX70 (S51) (2013-2017)
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Caliper render for this kit:
The QX70 S51’s appeal is the contradiction that defines the sporting crossover sector: genuine V6 or V8 performance wrapped in a body that sits close to two tonnes in AWD trim. On a fast A-road descent or a circuit induction day, the front axle carries the majority of deceleration load, and a factory system calibrated for motorway cruising starts finding its limits under sustained hard use. The XYZ Racing front big brake kit addresses that gap directly for the 2013-2017 S51.
Three pad compounds let you configure the kit around how the QX70 is actually driven. The Sport compound handles the heat cycle in everyday and fast-road driving without the abrupt cold-bite of a competition pad, while the Racing option is there for S51 owners who take it to circuit days, where repeated hard stops from high speed demand more headroom than the factory setup can reliably sustain.
What this brake kit does for your 2013-2017 Infiniti QX70 (S51)
In a near-2-tonne crossover, front brakes absorb a significant proportion of stopping energy on every hard deceleration. The two-piece floating disc gives this front-end upgrade the thermal headroom to serve the S51 as a rapid daily driver and as a track tool without a hardware change between uses. The additional margin before fade becomes a factor is what owners notice first, on mountain passes, towing descents or repeated braking zones at a circuit. The hollow-vane rotor sheds heat through increased internal airflow, the floating bell keeps it flat under load, and the lighter rotating assembly trims unsprung mass. Braided lines are included for a firmer pedal.
The three compounds cover the spectrum. Street is the quiet, low-dust road default. Sport adds bite and a wider heat range for fast-road use with the occasional track day. Racing is the dedicated circuit compound. You select the compound when you order, so the same hardware adapts to the season or the event.
About the front big brake kit
The kit pairs a hollow-body forged caliper as standard with a two-piece floating disc, focusing the upgrade on the front axle, the braking point that matters most on a heavy-bodied performance crossover where deceleration demand concentrates and factory hardware is sized for the average case rather than the enthusiast edge. Discs are offered drilled or slotted at the same price, and centre bell upgrades come as two-tone anodizing in five colours, or titanium, selectable at checkout.
Included painted caliper colours are Red, Yellow, Gold, Black and Anodized Black at no extra cost. Custom Color in any Pantone is £150. Premium polished-forged finishes cover Titanium, Polished Gold and Polished Silver, with a premium candy range of Candy Teal, Candy Blue, Candy Red and Candy Orange. For sustained track use, the optional Hollow Racing caliper deletes the dust cover, is rated to 1000C and carries a two-year warranty. The kit covers the front axle across the full 2013-2017 S51 production span.
Fitment for the Infiniti QX70 (S51) (2013-2017)
This front brake kit covers the Infiniti QX70 in S51 specification, from the 2013 model year through to 2017. The S51 generation encompasses both V6 and V8 variants, and the fitment applies to the front axle across the range. Confirm your model year falls within the 2013-2017 window before ordering.
What buyers also search for
- Infiniti QX70 S51 front brake upgrade with Sport and Racing compounds for road and circuit use
- XYZ Racing front brake kit for Infiniti QX70 2013-2017 with full caliper colour range
- Infiniti QX70 big brake kit covering both V6 and V8 variants of the 2013-2017 S51 generation
- Infiniti S51 front brake overhaul for track-day and fast-road driving with a direct-fit solution
- QX70 2013 to 2017 front brake kit with custom caliper finish including red, gold, and candy options
Select your pad compound, caliper finish and disc style from the options above to complete your order.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 330–444 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 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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