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Give the JK Wrangler a Front Brake Upgrade That Matches Its Capability
The 2007-2018 Jeep Wrangler JK is built for demanding use on and off the road, and the RFK.391.02 Rotora Street Challenge Front Brake System brings front braking performance to match. A 6-piston RF606 forged caliper paired with a 328x36mm disc gives the JK Wrangler dramatically improved clamping force and pedal feel compared to the factory front setup.
Key Features
- 6-piston RF606 forged aluminum caliper for consistent, high clamping force
- 328x36mm 1-piece disc for strength and durability in on-road and off-road use
- Direct bolt-on fitment for the front axle, no permanent modification required
- Available in 10 caliper finishes including Zinc
- Slotted or Drilled rotor face options to match braking preference
- Stainless steel braided brake lines included for firmer pedal feel
- Performance brake pads matched to the RF606 caliper included
- Engineered for consistent stopping power on the trail and the street
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2007-2018 | Jeep | Wrangler JK | Sport |
| 2007-2018 | Jeep | Wrangler JK | Rubicon |
| 2007-2018 | Jeep | Wrangler JK | Sahara |
Specifications
| Detail | Value |
|---|---|
| MPN | RFK.391.02 |
| Caliper Type | 6-piston RF606 forged aluminum |
| Rotor Size | 328x36mm |
| Rotor Type | 1-piece disc |
| Position | Front |
| Finish Options | 10 caliper colors, Slotted or Drilled rotor |
| Fitment | 2007-2018 Jeep Wrangler JK |
| Warranty | Manufacturer limited warranty |
What's Included
- 2x RF606 6-piston forged aluminum calipers
- 2x 328x36mm 1-piece discs
- Stainless steel braided brake lines
- Mounting brackets and hardware
- Performance brake pads
About Rotora
Rotora designs and manufactures big brake kits for street and off-road enthusiasts, engineering forged aluminum calipers and precision rotors that deliver consistent stopping power under demanding conditions.
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FAQ
What is RFK.391.02?RFK.391.02 is a Rotora Street Challenge front brake system for the 2007-2018 Jeep Wrangler JK, featuring a 6-piston RF606 forged aluminum caliper and a 328x36mm 1-piece disc.
Does this kit fit all Jeep Wrangler JK trims from 2007 to 2018?Yes, this kit is designed to fit the front axle of Jeep Wrangler JK models across the 2007-2018 model years, including Sport, Rubicon, and Sahara trims.
What caliper colors are available?RFK.391.02 is available in 10 caliper finishes, including Red, Dark Metallic Blue, Silver, Gloss Black, Green, Orange, Light Metallic Blue, White, Black Hard-Anodize Finish, Yellow, and Zinc.
What is the difference between Slotted and Drilled rotors?Slotted rotors clear gas and debris from the pad surface, while Drilled rotors add additional cooling channels through the rotor face. Both are available for this kit.
Does this kit include brake pads?Yes, performance brake pads matched to the RF606 caliper are included with this kit.
Is this a front or rear brake system?RFK.391.02 is a front brake system. A matching rear system is available separately for the 2007-2018 Jeep Wrangler JK.
Will I need to modify my JK Wrangler to install this kit?No, this kit is designed for direct bolt-on installation on the front axle without permanent modification.
What is the rotor construction on this kit?RFK.391.02 uses a 328x36mm 1-piece disc for durability in both on-road and off-road driving conditions.
Install Instructions
- Lift the vehicle and secure it on jack stands, then remove the front wheels.
- Remove the factory front calipers and disconnect the brake lines.
- Remove the factory front rotors and brake hardware.
- Install the new 328x36mm 1-piece discs onto the front hubs.
- Mount the RF606 6-piston calipers using the supplied brackets and hardware.
- Install the included performance brake pads into the calipers.
- Connect the new stainless steel braided brake lines and torque all fittings.
- Bleed the brake system thoroughly and check for leaks.
- Reinstall the wheels, torque to spec, and bed in the new brakes before hard driving.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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