SKU: 1B3.9003A2
Brembo 03-08 FX35/FX45 Front GT BBK 4 Piston Cast 2pc 380×32 2pc Rotor Slotted Type-3-Red
Brembo GT Front Big Brake Kit 1B3.9003A2 transforms braking on 2003-2008 Infiniti FX35 and 2006-2008 Infiniti FX45 with 4-piston cast monobloc calipers and 380x32mm two-piece slotted rotors. This kit clamps harder shortens stopping distances and fights fade under hard use. Includes pads hardware for complete front upgrade.
Key Features
- 4-Piston Cast Monobloc Calipers: Rigid design in Type-3 hard anodized red delivers even pressure distribution precise control high-temperature performance
- 380x32mm Two-Piece Slotted Rotors: Aluminum hats reduce unsprung weight slots expel gases water debris for consistent bite heat management
- Performance Brake Pads: Included compound offers strong initial bite low dust fade-resistant stopping suited for street track
- Type-3 Red Hard Anodized Finish: Race-developed coating resists corrosion wear maintains caliper looks under harsh conditions
- Bolt-On Hardware Included: Pads shims bolts lines ensure straightforward fit no custom work needed
Product Notes
- Requires minimum 19-inch wheels for clearance
- Follow bedding-in process after install for peak rotor pad performance
- Oversized heavy package requires secure handling
Installation Notes
- Professional installation recommended.
- Direct bolt-on replaces OEM fronts no suspension changes
- Compatible with factory brake lines or stainless steel upgrades
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2008 | Infiniti | FX35 | – |
| 2006-2008 | Infiniti | FX45 | – |
Why Choose Brembo?
- Leads global brake tech used by carmakers race series
- Builds components to exacting tolerances for reliability
- Engineers in Italy draw from Formula 1 motorsport data
Frequently Asked Questions
- Q: Which Infiniti models fit this kit?
A: Fits all 2003-2008 FX35 and 2006-2008 FX45 trims direct replacement for stock fronts - Q: What materials construction used?
A: Cast aluminum monobloc calipers curved-vane cast iron rotors with stainless steel floating bobbin aluminum hats - Q: What warranty coverage provided?
A: 24 months on calipers rotors 12 months on pads against defects when installed maintained properly
Shipping & Handling
- Method: UPS Ground Freight
- Availability: In stock – ships same or next business day
- Packaging: Oversized box 24x20x12 inches
- Weight: 58 lbs





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