Ksport BKMZ010-445SO DualComp Rear 4-Piston Big Brake Kit with 14 in. Slotted Rotors

The Ksport BKMZ010-445SO DualComp Big Brake Kit is a complete rear big brake upgrade engineered for high-performance driving, drifting, and rally racing. This all-in-one dual-function system integrates both foot brake and handbrake operation into a single, compact 4-piston caliper — eliminating the need for separate caliper assemblies while delivering race-proven stopping power.

At the heart of the DualComp system is a single 4-pot caliper where two pistons are dedicated to the hydraulic foot brake circuit and two pistons are dedicated to the handbrake circuit. Each circuit operates completely independently on its own system, giving drivers precise, isolated control over both braking functions.

Key Features:

• 4-Piston Dual-Function Caliper — 2 pots for foot brake, 2 pots for handbrake, each running on independent hydraulic circuits
• 14-Inch (356mm) Slotted Floating Rotor — two-piece design with a 6061-T6 aircraft-grade aluminum center hat for reduced rotational mass
• Lightweight Rotor Construction — two-piece floating rotor design commonly weighs up to 50% less than OEM rotors of comparable size
• Fade-Resistant Performance — floating rotor outer ring expands and contracts independently, dramatically reducing heat-induced warping
• Polished Titanium Handbrake Cylinder and Lever — included for precise handbrake feel and driver control
• CNC Machined Carbon Steel Caliper Brackets — bolt directly to OEM caliper bracket location with no modifications required in most applications
• DOT-Compliant Stainless Steel Braided Brake Lines — included for improved pedal feel and long-term durability
• Formula Drift Legal — tested and approved for competition use on drift and rally circuits
• Compatible with 18-inch wheels and above

What's Included:

• 4-Piston DualComp Caliper(s)
• 14 in. Slotted Floating Brake Disc
• Performance Brake Pads
• Polished Titanium Handbrake Cylinder and Lever
• CNC Machined Carbon Steel Caliper Brackets
• DOT-Compliant Stainless Steel Braided Brake Lines
• All required installation hardware

The DualComp system installs with minimal tools and requires no permanent vehicle modifications in most applications, making it a straightforward bolt-on upgrade for serious performance enthusiasts.