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GrimmSpeed 4-Piston Brake Caliper Kit (340mm Rotor) - Red - 2022-2025 Subaru WRX (VB) Original
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GrimmSpeed 4-Piston Brake Caliper Kit (340mm Rotor) – Red – 2022-2025 Subaru WRX (VB) Original

Original price was: $1,299.00.Current price is: $519.60.

SKU: SK0676003-US20260126-092757 Category: Tag:

Description

*Caliper Orders Will Begin Shipping August 8th

Engineered for Performance

The stock single-piston calipers found on most Subaru models are functional but not designed for the demands of aggressive driving, track use, or extensive performance builds that many Subaru enthusiasts pursue. GrimmSpeed’s 4-Piston Brake Caliper Kit fills this gap by offering a purpose-built, fixed caliper system specifically tailored for Subaru vehicles. This setup provides balanced stopping power, improved heat dissipation, and a consistent pedal feel, enhancing braking performance and driver confidence. Designed and tested under real-world conditions, this kit delivers a true performance upgrade without the hassle of sourcing used Brembos or fitting custom brackets.

Complete, Application-Specific Upgrade

Each GrimmSpeed kit is built to perfectly fit specific Subaru models, combining forged aluminum calipers with the correct rotor and bracket configuration for your setup. Offered in either Red or Gunmetal Gray anodized finishes, the calipers are made to resist heat and corrosion while presenting a sleek, motorsport-ready look. Suitable for a wide range of uses—from daily-driven street cars to dedicated track machines—this kit provides the reliable stopping power and confidence Subaru drivers expect.

 

DETAILS:

  • Forged 6061-T6 Aluminum Caliper Body – 2-piece design, hard anodized for strength and corrosion resistance

  • Dual Piston Setup – 44mm primary and 41mm secondary pistons provide even pad pressure and reduced taper

  • Heat-Managed Pistons – Type 3 hard anodized and vented for superior thermal performance

  • Lightweight Design – Approximately 9.9 lbs per corner with bracket and hardware

  • Pad Compatibility – FMSI D1001 or D968 (varies by application)

  • Rotor Compatibility – Works with commonly available Subaru OEM and STI rotors

  • No Brake Lines Required – Compatible with factory lines (new lines may be recommended depending on vehicle)

What’s Included

  • (2) GrimmSpeed 4-Piston Brake Calipers (choose Red or Gunmetal)

  • (2) Vehicle-Specific Billet 4140 Steel Caliper Brackets

  • Full Hardware Kit:

    • Bridge bolts

    • Banjo bolts

    • Crush washers

    • Bleeder dust caps

    • Caliper guide pins

    • Security cotter pins

    • Caliper spring bridges + bolts

  • Printable 1:1 Fitment Template

  • Install Instructions

Fitment

2022+ VB WRX with OEM (Non-TR / Brembo equipped) Brake Package

  • Rotor Size: 340mm x 30mm – 2018-2021 6-Piston STI fitment rotor
  • Pad Type: “F40” or FMSI D968
  • Designed for use with OEM-style hubs and rotors — no knuckle swaps or custom adapters required

OEM x-ref Subaru 340mm Rotor (5×114.3 Only)  Part No.-26300VA000

TR / Brembo equipped models will use the 2002-2021 Grimmspeed Caliper fitment options.

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