Wilwood 140-17644 Rear ProMatrix Brake Kit with Two-Piece Rotors

The Wilwood 140-17644 ProMatrix rear brake kit delivers a significant performance upgrade for enthusiasts and racers seeking enhanced stopping power while retaining factory OE brake calipers. This engineered solution combines Wilwood's proven rotor technology with direct bolt-on convenience.

Key Features:

• Two-piece rotor construction provides superior high-temperature durability for track use
• Works with existing OE factory brake calipers for straightforward installation
• Available in multiple rotor configurations: plain face, GT slotted, or SRP drilled and slotted designs
• Black e-coat finish delivers excellent corrosion resistance and aggressive styling
• ProMatrix rotor design optimizes heat dissipation and reduces unsprung weight
• Direct bolt-on fitment eliminates modification requirements

This rear brake kit offers measurable improvements in brake performance, fade resistance, and thermal management compared to stock rotors. The two-piece design separates the rotor face from the aluminum hat, allowing for better heat dissipation while reducing rotating mass. Whether you're seeking track-day performance or enhanced street braking with distinctive appearance, this ProMatrix kit provides a proven upgrade path.