Rear Race Big Brake Kit - 4-Piston, 345x28mm 2-Piece Slotted Rotors - Black

• 2022-2026 Subaru | WRX

Brembo's Race Systems rear big brake kit for the 2022-2026 Subaru WRX pairs 4-piston forged 2-piece aluminum calipers with 345x28mm 2-piece TY3 zinc rotors for race-level stopping power, thermal capacity, and fade resistance on track.

• Position: Rear axle; complete bolt-on kit for one axle
• Calipers: 4-piston forged 2-piece aluminum, radial mount, black hard-anodized finish
• Rotors: 345x28mm 2-piece TY3 zinc, vented; full-floating D-bobbin mounting with anti-rattle hardware
• Includes: calipers, pre-assembled 2-piece rotors, application-specific CNC billet caliper adapters, Brembo stainless braided brake lines, proprietary race friction pads, all mounting hardware and installation instructions
• Part number: brb4K3.8040AZ
• Note: race system — larger than stock; verify wheel clearance before purchase; professional installation recommended

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