Ksport BKHD030-445CO DualComp Rear 4-Piston Big Brake Kit 14 in. Drilled Rotors

The Ksport BKHD030-445CO DualComp Big Brake Kit is a complete rear big brake upgrade engineered for performance driving. Designed with drifting and rally racing in mind, the DualComp system's innovative architecture integrates both the foot brake and handbrake functions into a single compact unit — eliminating the need for a separate handbrake caliper.

Dual-Function 4-Piston Caliper Design:

• 4-piston caliper with split functionality — 2 pistons dedicated to the foot brake circuit, 2 pistons dedicated to the handbrake circuit
• Each circuit operates fully independently on its own hydraulic system
• Formula Drift legal — proven and approved for competitive drift and rally racing applications
• Compatible with 18-inch wheels and above

Two-Piece Floating Rotor Technology:

• 356mm (14 in.) cross-drilled floating brake disc for superior heat dissipation
• Two-piece rotor design allows the outer ring to expand and contract independently, virtually eliminating heat-induced warping
• Lightweight rotor hats crafted from 6061-T6 aircraft-grade aluminum — rotors commonly weigh up to 50% less than OEM equivalents
• Aluminum center sections act as heat sinks, channeling thermal energy away from the rotor and hub assembly

Hardware & Construction:

• CNC-machined carbon steel caliper brackets allow direct bolt-on fitment to OEM caliper bracket locations
• Polished titanium handbrake cylinder and lever included for precise handbrake control
• DOT-compliant stainless steel braided brake lines included as standard
• Street or race brake pad options available

Complete Kit Includes:

• 4-piston DualComp caliper(s)
• 14 in. cross-drilled floating brake disc(s)
• Brake pads
• Handbrake hardware
• All required mounting hardware

The DualComp system installs with minimal tools and requires no permanent vehicle modifications in most applications. All Ksport Big Brake Kits are covered by a 12-month manufacturer's defect warranty.