XYZ Racing Hollow Front Brake Kit — Subaru IMPREZA GC8 (WRX) (1997-2000)

Disc fade on the GC8 WRX is a track-day conversation that has never gone away. The factory front braking was sized for a platform designed to compete on loose gravel stages, where braking zones are short and recovery time is long, conditions that bear no relation to repeated hard braking at Oulton Park or a Continental run at pace. When the turbocharged EJ20 is in its element and the symmetrical AWD is distributing torque through all four corners, the front axle carries a significant and sustained deceleration load. The XYZ Racing Hollow Front Brake Kit addresses that directly for the 1997-2000 Impreza GC8 WRX.

This is a single-axle kit: a matched pair of front calipers and two-piece floating discs for the left and right corners. For a GC8 that splits its time between fast roads and circuit days, building it around the car’s actual use matters more than it does on a lighter, front-driven car where thermal load is easier to manage, so compound, disc style and caliper finish are all chosen to suit.

What this brake kit does for your 1997-2000 Subaru IMPREZA GC8 (WRX)

The kit replaces the factory setup with a disc and caliper combination rated for higher and more sustained operating temperatures, eliminating the pedal travel and fade onset that defines the stock arrangement under pressure. The most immediate change is consistency: the pedal returns to a repeatable position across successive hard stops rather than softening as temperatures build. The hollow-vane disc draws cooling air through the rotor body so heat sheds continuously, and 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.

Three pad compounds match the friction to the use. Street is the quiet, low-dust road default, preserving a progressive feel across the temperature range that suits the mixed-condition fast-road driving most GC8 owners do; Sport adds bite and heat range for harder road work and the occasional track day; Racing is a full circuit compound delivering cold-to-hot bite that holds where the original hardware would not. Braided stainless lines are included for a firmer, more repeatable pedal than rubber hoses that swell under pressure.

About the Hollow Front Brake Kit

The hollow-vane name describes the disc’s internal ventilation. Cooling channels run through the rotor body and draw air across the friction surfaces while the wheel turns, so heat clears into the airstream instead of soaking into solid iron, exactly where the GC8’s factory front braking cannot cope. The calipers are hollow-body as standard for stiffness without excess weight, and this is a front-axle kit covering the end of the car where the GC8 concentrates its braking load under hard deceleration.

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, ideal for a club-sport or WRC-era tribute build. 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 IMPREZA GC8 (WRX) (1997-2000)

Confirmed fitment covers the Subaru Impreza GC8 WRX built between 1997 and 2000, corresponding to the Series 5 and Series 6 variants of the GC8 chassis, and fits the front axle as a left-and-right pair. Verify your build date sits within this range before ordering. Earlier GC8 variants produced before 1997 and concurrent STI-specification cars ran different front-end hardware and are not covered by this kit.

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Select your pad compound, disc style and caliper finish when you order to build the GC8 kit to your spec.