Essex AP Racing Competition Brake Kit (Front) – CP9660/372mm – ENP Finish – S550/S650 Mustang
CP9660 / 372mm Competition Brake Kit
High-performance 4-piston front brake upgrade for the S550/S650 Mustang. The CP9660 Radi-CAL caliper with 372mm two-piece floating discs offers outstanding performance at an accessible price point.
Engineered Without Compromise
The Essex AP Racing CP9660/372mm brake kit delivers serious braking performance for the Ford Mustang. The CP9660 4-piston Radi-CAL caliper is the most compact in the AP Racing competition lineup, yet it delivers remarkable stopping power thanks to its advanced asymmetric piston design.
Paired with 372mm two-piece floating discs and Essex Pagid RS29 pads, this kit is an ideal choice for spirited street driving and track day use. The D50 pad shape ensures consistent braking throughout demanding sessions.
Why Choose This Kit
AP Racing Performance
World-class braking technology trusted by professional racing teams worldwide. The CP9660 caliper delivers exceptional stopping power and pedal feel.
Competition Proven
Designed and manufactured by AP Racing in Coventry, England. Every component is engineered to meet the demands of both track and street driving.
Direct Bolt-On
Complete bolt-on kit requires no permanent modifications to your vehicle. Designed specifically for the S550/S650 Mustang platform.
ENP
Electroless nickel plating - jewel-like finish that won't chip, flake, or fade at extreme track temperatures. Same coating used on military targeting systems.
Complete Kit Contents
- AP Racing Calipers (pair)Fully assembled with dust boots and bleeder screws
- Mounting BracketsCNC-machined billet aluminum, vehicle-specific
- Brake Discs (pair)Two-piece floating assembly with aluminum hats
- Brake Pads (set)Competition-grade friction material, pre-chamfered
- Stainless HardwareAll necessary bolts, washers, and fasteners
- Installation GuideDetailed step-by-step instructions with torque specs
Technical Specifications
Vehicle Compatibility
Engineered for the following platforms:
Important Notes
Minimum 19-inch wheels required for front kits. Please verify clearance with your specific wheel specs before ordering.
Professional installation recommended. Typical install time is 2-3 hours per axle.
New pads and discs require a proper bedding procedure. Follow the included Essex bedding instructions for optimal performance and longevity.
Essex recommends high-performance DOT 4 brake fluid (sold separately). Fluid should be flushed before installing new components.
Ready to Transform Your Braking?
Questions about fitment or installation? Our brake specialists are here to help.
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