Brembo/Porsche Caliper Brackets (MK4 VW/MK1 TT)

This pair of brackets adapts Brembo 4-piston calipers. Spacing works with oversized 312mm rotors for a big 17% increase in area swept by the brake pad. Most 17" wheels clear easily. Fitment to many 16" (and all 17") is possible with spacers.

  • Made from 6061/T6 aluminum billet for strength across years of heat cycles
  • Anodized for corrosion resistance
  • Proper radiuses/fillets for stress distribution
  • Required hardware included (zinc-plated)
  • Design verified by Finite Element Analysis
  • Fits Porsche brake calipers 986.351.421.03 and 986.351.422.03

USRT Porsche Boxster brake caliper adapter for Mk4

Brembo Porsche Boxster caliper with VW Audi adapter bracket


Adapter brackets fit Brembo 4-piston calipers to Mk4 Volkswagen/ Mk1 Audi TT spindles.

BRAKE FITMENT GUIDE (USDM):

VW Golf R32 | Audi TT 3.2 Quattro
Front: 334mm x 32mm vented two-piece disks w/twin piston(32mm/42mm) calipers
Rear: 256mm x 22mm vented disks w/single piston (38mm) calipers

Audi TT-Quattro (225hp) | VW Golf anniversary | Golf GTI 337
Front: 312mm x 25mm vented disks w/single piston (54mm) calipers
Rear: 256mm x 22mm vented disks w/single piston (38mm) calipers

Audi TT (180hp)
Front: 312mm x 25mm vented disks w/single piston (54mm) calipers
Rear: 232mm x 9mm solid disks w/single piston calipers

Golf GTI 1.8T | Jetta 1.8T | Golf GTI VR6 | Jetta VR6
Front: 288mm x 25mm vented disks w/single piston (54mm) calipers
Rear: 232mm x 9mm solid disks w/single piston calipers

Golf 2.0l 8v | TDI
Front: 280mm x 22mm vented disks w/single piston calipers
Rear: 232mm x 9mm solid disks w/single piston calipers

Volkswagen Mk4 caliper adapter fine element analysis

$150.00

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  • Model: BRAKEADPT4
  • Manufactured by: US Rally Team

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