034 Motorsport 1-Piece Rear Brake Rotor Upgrade Kit, MK8 VW GTI, Audi 8V/8V.5 S3/RS3 & Mk7/Mk7.5 Golf R, & MK7/Mk7.5 VW GTI w/ Performance Pack (310mm x 22) --Pair

034Motorsport

$528.48
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SKU:
034-301-2020
Availability:
Usually ship within 1 - 2 weeks
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Directional Cooling. Stronger Materials. Real Performance at a Fair Price:

034Motorsport 1-Piece Rotors deliver a meaningful braking upgrade for Audi and Volkswagen platforms without the cost of a two-piece system. Designed as a direct replacement for factory rotors, they combine advanced cooling technology, a high-strength alloy, and proven track-inspired features at a price point typically reserved for basic blank rotors.

Unlike factory rotors that rely on straight internal cooling vanes and soft iron alloys, 034Motorsport 1-Piece Rotors are engineered from the inside out to manage heat more effectively and hold up under repeated braking events.

1-Piece Rotors

Directionally Ventilated for Active Cooling:

Most OEM Audi and VW rotors utilize straight internal cooling vanes or no vanes at all, which create limited airflow and minimal active cooling effect. 034Motorsport rotors feature directionally ventilated internal vanes that pull air in from the center of the disc and force it outward. This increased airflow greatly improves heat transfer and cooling of the rotor, helping the rotor stay cooler during hard street driving, spirited back roads, autocross, and light track use. Cooler rotors maintain braking consistency and reduce the likelihood of fade, warping, or hotspots.

1-Piece Rotors

High Strength CM-250 Alloy:

Factory rotors are typically cast from relatively soft iron, which wears quickly and warps under high pressure and high heat. 034Motorsport 1-Piece Rotors use a Heat-Treated CM-250 special alloy formulated specifically for performance driving. This material is more resistant to heat cycling, less prone to warping, and better suited for repeated high-temperature braking than OEM rotors.

J-Slot Friction Face:

The J-slot slotted friction surface is designed to do more than just look aggressive. J-slots help clear debris from the pad surface, allow pad off-gassing under high temperatures, and distribute heat more evenly across the rotor face, reducing the likelihood of hot spots. This results in more consistent braking performance compared to traditional straight slots or drilled rotors, which can concentrate heat and increase the risk of cracking.

1-Piece Rotors

Street Friendly, Track Capable:

These rotors are optimized for daily driving, spirited canyon runs, autocross, and entry-level track days. They are fully compatible with stock calipers and can be used with factory pads or upgraded performance pads. For drivers engaging in more aggressive back-road use or extended track sessions, 034Motorsport 2-Piece rotors remain the ideal solution and are recommended for the highest thermal demands.

Built for Year-Round Use:

Each rotor is finished with a Geomet anti-corrosion coating to protect against rust and corrosion, making them suitable for all weather oncditions. Temperature-indicating paint marks on the rotor edge provide a visual reference for heat exposure during aggressive driving or track use.

1-Piece Rotors

Temperature-Indicating Paint Marks:

034Motorsport 1-Piece Performance Brake Rotors feature temperature-indicating paint marks on the rotor edge that provide a quick visual reference for heat exposure during aggressive street driving, autocross, or track use.

The paint changes color at specific temperature thresholds to help drivers understand operating conditions:

  • Green → White at 478°C (892°F)
  • Orange → Yellow at 571°C (1060°F)
  • Red → White at 640°C (1184°F)

If the red paint turns white throughout, the rotors are consistently operating beyond their intended temperature range. This may indicate the need for lower-friction brake pads, improved cooling, or upgrading to 034Motorsport 2-Piece Rotors, which have higher heat dissipation capabilities with their two-piece design.

1-Piece Rotors

Performance That Makes Sense:

034Motorsport 1-Piece Rotors are priced competitively with basic blank replacement rotors, while delivering meaningful performance improvements in cooling, durability, and braking consistency. This makes them one of the best value brake upgrades available for Audi and VW owners.

Buyer’s Guide:


Brake Rotor Comparison Chart:

Feature / Use CaseStock OEM Rotors034Motorsport 1-Piece Rotors034Motorsport 2-Piece Rotors
Direct OEM Fitment
Internal Vane Design Straight vanes Directional vanes Directional vanes
Active Cooling Efficiency Low High Very High
Rotor Material Soft OEM iron CM-250 Special Alloy Rotor CM-250 Special Alloy Rotor Rings
Heat Resistance Low High Maximum
Warping Resistance Low High Very High
Friction Face Design Blank or drilled (platform dependent) J-slotted Friction Face J-slotted Friction Face
Pad Degassing & Debris Removal Minimal Excellent Excellent
Corrosion Protection Minimal Geomet anti-corrosion coating Type III Hard Anodizing & Geomet anti-corrosion coating
Temperature Indicators No Yes Yes
Unsprung Weight Reduction No No Yes
Rotor Ring Replaceable No No Yes
Street Driving ✓✓✓ ✓✓
Spirited / Canyon Driving Limited ✓✓ ✓✓✓
Autocross Not recommended ✓✓ ✓✓✓
Track Use No Entry-level Frequent / Aggressive
Typical Price Range Low Low to Moderate High
Best For Basic commuting Best balance of performance & value Maximum braking performance

Features:

  • 310mm x 22mm Size
  • OEM Fitment & Functionality
  • CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use
  • J-Slot Slotted Friction Face
  • Temperature Indicating Paint Marks on Rotor Edge:
    • Green changes to white at 478° C (892° F)
    • Orange changes to yellow at 571° C (1060° F)
    • Red changes to white at 640° C (1184° F)
      • If the Red paint turns white throughout, the rotors are running too hot.
  • Directionally Ventilated to Force Cooling Air Through the Brake Disc
  • Heat Treated
  • Geomet Anti-Corrosion Coating

What's Included:

  • 034Motorsport 1-Piece Rear Rotor Pair

Part Number Interchange:

  • 8K0 615 301 M
  • 4G0 615 301 G
  • 4G0 615 301 AF

 

MakeModelYearsChassisEngine
Audi A3 2006-2013 8P 2.0 TSI
Audi A3 2006-2013 8P 2.0T FSI
Audi A3 2006-2008 8P 3.2 VR6 24V
Audi A3 2015-2016 8V 1.8 TFSI
Audi A3 2015-2020 8V/8V.5 2.0 TFSI
Audi Q3 2019-Present F3 2.0 TFSI
Audi RS3 2017-2022 8V.5 2.5 TFSI EVO
Audi RS3 2023-Present 8Y 2.5 TFSI
Audi S3 2015-2020 8V/8V.5 2.0 TFSI
Audi S3 2022-Present 8Y 2.0 TFSI
Audi TT 2016-2020 8S 2.0T Gen 3
Audi TTS 2016-2020 8S 2.0T Gen 3
Audi TTRS 2018-2022 8S 2.5 TFSI EVO
VW CC 2009-2015 B7 3.6L VR6 FSI
VW Golf R 2012-2013 Mk6 2.0 T FSI
VW Golf R 2015-2019 Mk7/Mk7.5 2.0 TSI Gen 3
VW Golf R 2021-Present Mk8 2.0T Gen4
VW GTI 2015-2021 Mk7/Mk7.5 2.0T Gen3
VW GTI 2022-Present Mk8 2.0T Gen4
VW Passat 2006-2010 B6 3.6L VR6 FSI
VW R32 2008 Mk5 3.2L VR6 24V