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Porsche > 993 (911) (1994-1998) > 993 (911) C2S 1994-97 > Brakes >

SPORTS Brake Disc

SPORTS Brake Disc

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DISPLAYING 1 to 2 (of 2 products)
Brake disc rotor, Front. FORMULA Z. Porsche 993 Turbo (OE No 99335104510 / 99335104610) - 460.1564.70, 460.1565.70, 99335104500, 99335104600, 99335104510, 99335104610
5
Brake disc rotor, Front. FORMULA Z. Porsche 993 Turbo (OE No 99335104510 / 99335104610)
99335104
Product Information
Product Information
Zimmermann FORMULA Z brake disc.

Vented, Perforated, Two-piece floating brake disc, Coated
Outer diameter: 322 mm
Brake Disc Thickness: 32 mm
Bolt Hole Circle Ø: 130 mm
Centering Diameter: 103 mm

front
Porsche 911 (993) Turbo / Turbo Look 1994-98 - FRONT

The Zimmermann Formula Z brake disc was designed with the aim of teaming simple installation with optimum braking effect under high mechanical and thermal load.
The compound brake disc developed by Zimmermann accommodates the increased demands incurred by engine tuning and optimised chassis structures.

Your advantages:
• Excellent deceleration action and no distortion of friction ring at high temperatures
• Substantial weight saving and therefore less unsprung mass
• Floating mounting enables radial expansion of the brake disc under relatively heavy loads, thus preventing shielding and increasing resistance to heat cracks
• „Hot spots" prevented by optimised design of ventilation channels
• 1:1 exchange of original disc possible
• Not subject to registration: general ABE certification supplied with disc
• No conversion required for brake tuning

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99335104
460.1564.70
460.1565.70
99335104500
99335104600
99335104510
99335104610

The product you are viewing cross references to these numbers
Slotted brake disc rotor, front. Porsche 993 C2/ C4 (OE Part No 99335104301 / 99335104401) - 909309C, 909310C, 99335104301, 99335104401
4
Slotted brake disc rotor, front. Porsche 993 C2/ C4 (OE Part No 99335104301 / 99335104401)
99335104
Product Information
Product Information
Slotted front brake disc rotor. Front.

Thickness: 32mm
Diameter: 304mm

front
Porsche 911 (993) C2 / C4 / C2S 1994-98 - FRONT


Brake disc rotors are priced each.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99335104
909309C
909310C
99335104301
99335104401

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
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About SPORTS Brake Disc

Experience race-inspired stopping power with Porsche sports brake discs from Design911. Designed for performance driving, these upgraded brake rotors provide greater heat dissipation, improved bite, and enhanced fade resistance, ensuring confidence under even the most demanding conditions.

What They Are & What They Do
Sports brake discs (or rotors) are precision-engineered components that work with brake pads to generate friction and stop the car effectively. Unlike standard discs, sports variants are often drilled, grooved, or slotted, helping to vent heat and gases, improve braking response, and maintain consistent performance during high-speed or repeated stops.

Why They Fail
Over time, brake discs wear down from heat cycles, friction, and corrosion. Common signs of failure include scoring, warping, cracking, or vibration during braking. Track use or aggressive driving can accelerate wear, while low-quality discs may develop hotspots and fade under stress.

Why They Should Be Replaced
Replacing worn or damaged brake discs restores optimal braking efficiency, pedal feel, and vehicle control. New sports discs not only improve performance and safety but also extend pad life and reduce fade, ensuring Porsche’s legendary stopping precision. Design911 offers genuine Porsche discs for factory performance and aftermarket upgrades for enhanced durability and responsiveness.

Whether you’re restoring a classic 911 or tuning a Cayman or Taycan for track use, our range of sports discs combines precision, reliability, and performance to keep your Porsche braking like new.

Aftermarket Performance Brake Discs
High-quality aftermarket discs featuring slotted or drilled designs for superior airflow, reduced fade, and consistent friction performance.

Front Sports Brake Discs
Heavy-duty front rotors built to handle intense braking loads, offering maximum stopping power and stability under pressure.

Rear Sports Brake Discs
Rear discs designed for balanced braking and improved heat management, ensuring control and composure under repeated deceleration.

Drilled & Grooved Brake Rotors
Advanced rotors engineered to dissipate heat, clean brake pads, and deliver responsive braking for track and fast-road applications.

Motorsport & Track Brake Discs
Race-grade rotors made from high-carbon or composite materials, offering unmatched durability and thermal control for competition use.

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Porsche Brake Disc Upgrades: Venting, Drilling, and Grooving Explained

Today we’re talking brake discs: the unsung heroes of your Porsche’s stopping power. What do they do? How can you tell when they need replacing? And what are the upgrade options for enhanced performance? It’s all here. We’ll explore the evolution of brake disc designs, from solid to vented, drilled, and grooved, explaining how each type improves performance. Plus, we’ll break down the materials: durable cast iron, high-carbon steel, and Porsche’s high-performance options like carbon ceramic and surface-coated discs. Whether you’re looking for better braking on the track or a cost-effective daily driving solution, we’ve got you covered.
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