If you are looking for upgraded stopping power without the massive price tag of a full aftermarket system, the NEUSPEED 312mm Big Brake Conversion Kit is the perfect solution. This premium bracket and hardware kit provides the specialized components required to seamlessly adapt factory Porsche Boxster 4-piston calipers to your vehicle while utilizing OEM 12.3" (312mm) Audi TT Quattro front rotors.
By utilizing this adapter kit and sourcing the calipers, rotors, and brake pads separately, you can achieve a true, high-performance "Big Brake" setup for a fraction of the cost of completely integrated kits. It is the ultimate OEM+ braking upgrade for enthusiasts who want massive stopping power and stunning aesthetics on a reasonable budget.
Features
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Affordable Big Brake Upgrade: Achieve incredible braking performance and a massive aesthetic upgrade without the typical big brake kit price tag.
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Porsche Caliper Adaptation: Precision-engineered brackets allow for the direct bolt-on fitment of premium 4-piston Porsche Boxster front calipers.
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OEM Rotor Compatibility: Designed to work perfectly in conjunction with factory 12.3" (312mm) Audi TT Quattro front brake rotors.
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Customizable Sourcing: Gives you the flexibility to source your own new or used calipers, preferred brake pad compounds, and slotted or drilled rotor styles.
Notes
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Vehicle Fitment: Fits 1999–2005 VW Beetle 1.8T, and 1999–2005 VW Golf / GTI / Jetta models equipped with 1.8T or 2.8L VR6 engines. Please note: This kit does not fit 2.0L 8V models.
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Wheel Clearance Requirements: You must have 17" or larger diameter wheels, and wheel spacers are highly likely required to safely clear the face of the wider Porsche calipers.
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Required Parts (NOT INCLUDED): This is an adapter bracket/hardware kit only. You must separately source the following Porsche components to complete the installation:
- Porsche Right Front Caliper (Part # 986.351.422.03)
- Porsche Left Front Caliper (Part # 986.351.421.03)
- Porsche Caliper Bolts (Part # 999.067.041.09) — Quantity of 4 required
- Porsche Boxster Front Brake Pad Set for non-S models (Part # 986.351.939.15)
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Rotors Required: Factory replacement or aftermarket 12.3" (312mm) Audi TT Quattro front rotors.
