GrimmSpeed 13-26 BRZ GR86 Grey 4-Piston Brake Caliper Kit 326mm Rotor - GRM.1171.1.GRY

Each kit is application-specific, pairing our forged aluminum calipers with the correct rotor and bracket configuration for your setup. Calipers are available in your choice of Red or Gunmetal Gray anodized finishes , both designed to withstand heat and resist corrosion while delivering a clean, motorsports-ready look. From street builds to track cars, this is the braking confidence your Subaru deserves. 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) (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 Subaru BRZ Toyota GR86/FRS Rotor Size: 326mm Pad Type: F50 (FMSI D1001) Designed for use with OEM-style hubs and rotors — no knuckle swaps or custom adapters required. *Subaru OEM Rotor - 5x100 326x30 - Part No. 26300FE001

Features

• 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)
• (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
• Rotor Size: 326mm
• Pad Type: F50 (FMSI D1001)
• Designed for use with OEM-style hubs and rotors — no knuckle swaps or custom adapters required.