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Brake Caliper Adapter for the Front Axle of Golf 7/8, Audi A3 8V, and More to Fit Audi TTRS 4-Piston Calipers with Mercedes 350x32mm Brake Discs

This adapter allows you to install Audi TTRS 4-piston brake calipers on the front axle of various models, using Mercedes 350x32mm brake discs. The TTRS calipers can be easily bolted onto the original axle mount using our adapter, replacing the stock calipers.

Compatible Vehicles (with Aluminum Knuckles):

• Audi A3 8V
• Audi A3 Sportback 8YA
• Cupra Leon KL1
• Seat Ateca KH7
• Seat Leon KL1
• Seat Leon 5F1
• Skoda Octavia III
• Skoda Octavia IV NX3
• Skoda Octavia IV Combi NX5
• VW Golf VII 5G1
• VW Golf VIII CD1
• VW Passat 3G2
• VW Passat B6
• VW Passat B7
• VW Tiguan AD1
• VW Touran 5T1

Important: This adapter is only compatible with vehicles equipped with aluminum knuckles. It is not compatible with vehicles that have steel knuckles.

Benefits of This Brake System:

• Superior braking performance, far better than standard rear brake discs.
• Essential for vehicles with performance upgrades.
• Comes with a material certificate for individual vehicle registration.
• Can easily be reverted back to the original configuration.

Required Components:

• Original TTRS calipers (Left Caliper: Part No. 8J0 615 107 / Right Caliper: Part No. 8J0 615 108)
• Brake pad set (Part No. 8J0 698 151 E)
• Mercedes brake discs in 350x32mm (Part Numbers: 164 421 0512 / 164 421 1412)

Tips, Information, and Advice:

• For better brake ventilation, we recommend removing the brake dust/anchor plates.
• To simplify wheel installation, consider purchasing two wheel mounting aids (link to product provided).
• We cannot give a universal answer on which rim size will fit after the brake conversion, as it varies with different rims. To help, we’ve developed a template to check if the brake kit fits under your rims (link to template included). If the rims don’t fit, you can use wheel spacers (link to spacers provided).
• After installation, check if new brake lines are needed, as the original lines may be too short or not fit properly. We recommend switching to steel braided lines for better performance. Use our configurator to build and install the appropriate steel flex lines (link to configurator provided).
• The handbrake cable may require slight adjustment when fitting the new caliper. If the original caliper is retained, you may need to reroute the cable to accommodate the larger disc diameter and travel.