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Alcon 4-Piston Front Brake Upgrade Kit for 2007-2018 Jeep Wrangler JK
The Alcon ALCALABKF5459AX02 front brake kit upgrades the 2007-2018 Jeep Wrangler JK with 350x32mm rotors and 4-piston red calipers for stronger, more consistent stopping power on trail and street. This kit is built for JK owners running larger tires who need more braking torque than the factory system provides.
Key Features
- ALCALABKF5459AX02 4-piston red calipers for improved clamping force
- 350x32mm rotors increase thermal mass over stock rotors
- Up to 30 percent reduction in disc temperature rise versus stock
- Up to 26 percent reduction in pad work rate for less fade
- Up to 25 percent reduction in pedal effort
- Designed to fit under 17 inch and larger wheels
Fitment Table
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2007-2018 | Jeep | Wrangler | JK |
Specifications
| Detail | Value |
|---|---|
| Rotor Diameter | 350mm |
| Rotor Thickness | 32mm |
| Piston Count | 4 per caliper |
| Caliper Color | Red |
| Caliper Material | Forged aluminum |
| Wheel Fitment | 17 inch and larger |
What's Included
- Two ALCALABKF5459AX02 4-piston front calipers
- Two 350x32mm rotors
- Mounting brackets and hardware
- Performance brake pads
About Alcon
Alcon is a motorsports brake manufacturer with decades of experience supplying calipers and rotors to professional racing teams worldwide. Alcon brings that same engineering rigor to Jeep Wrangler brake upgrades, building kits that hold up to trail heat and repeated hard stops.
FAQ
What is the ALCALABKF5459AX02?The ALCALABKF5459AX02 is an Alcon 4-piston front brake upgrade kit with 350x32mm rotors for the 2007-2018 Jeep Wrangler JK.
Does this brake kit fit 17 inch wheels?Yes, this kit is designed to fit under 17 inch and larger factory and aftermarket wheels.
How much does this brake kit reduce brake fade?This kit reduces disc temperature rise by up to 30 percent compared to the stock JK brake system.
What rotor size does this brake kit use?This kit uses 350mm diameter rotors that are 32mm thick.
How many pistons does this brake kit's caliper have?Each caliper uses 4 pistons.
Does this brake kit include brake pads?Yes, this kit includes performance brake pads ready for installation.
Is this brake kit compatible with the stock master cylinder?Yes, this kit is designed to work with the factory JK master cylinder and brake lines.
Does this brake kit work with a rear brake kit?Yes, this front kit pairs with the Alcon JK-JL rear brake kit for a full axle upgrade.
Install Instructions
- Apply the parking brake and raise the vehicle on a lift or axle stands.
- Remove the road wheels and disconnect the brake hose from the hard line.
- Remove the factory caliper and brake disc.
- Fit the new caliper mounting bracket to the knuckle using the factory bolts.
- Install the new ALCALABKF5459AX02 rotor onto the hub.
- Position the caliper over the rotor and secure it to the bracket.
- Reconnect the brake hose and torque the banjo bolt to specification.
- Bleed the brake system with DOT 4 fluid and check for leaks.
- Torque the wheels to factory specification and bed in the new brakes with gradual stops.
Alcon
Shop Alcon brake systems, big brake kits, brake calipers, brake rotors, brake pads, rotor rings, bracket kits, caliper rebuild kits, pad retainer kits, brake hardware, and motorsport braking components at Black Ops Auto Works. Alcon is a race-proven braking brand known for high-performance brake systems used in motorsport, track day, street performance, off-road, truck, SUV, and high-demand braking applications. Whether you are upgrading a Ford F-150, Ford Raptor, Ford Ranger, Ford Bronco, RAM TRX, Jeep Wrangler JK, Jeep Wrangler JL, Jeep Gladiator, Toyota Tundra, Toyota Land Cruiser, Nissan GT-R R35, Chevrolet Corvette C5, C6, C8, BMW M3, BMW F8X, Audi MQB, Honda S2000, Mazda Miata, or performance race build, this Alcon collection helps you find premium brake upgrades designed for stronger stopping power, improved pedal feel, better heat management, and more consistent braking control. Shop Alcon Brake Parts by Category Browse Alcon braking upgrades across popular performance brake...
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