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Balance the WK SRT8 Brake System With a Matched Rear Upgrade
Complete the Street Challenge brake build on your 2006-2010 Jeep Grand Cherokee SRT8 with the RFK.255.03 Rotora Street Challenge Rear Brake System. The 4-piston RF404 forged caliper and 355x29mm 2-piece floating rotor match the front system's performance level at the rear axle, delivering proper brake balance and reliable stopping power.
Key Features
- 4-piston RF404 forged aluminum rear calipers for strong, even clamping force
- 355x29mm 2-piece floating rotors reduce unsprung weight and manage heat under repeated hard stops
- Available in slotted or drilled rotor configurations to match your driving style
- Ten color options including a premium Zinc natural anodize finish
- Direct bolt-on design engineered specifically for the 2006-2010 Jeep Grand Cherokee SRT8
- Includes all hardware, lines, and pads needed for a complete rear brake upgrade
- Backed by a 1-year Rotora warranty
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2006-2010 | Jeep | Grand Cherokee SRT8 |
Specifications
| Detail | Value |
|---|---|
| MPN | RFK.255.03 |
| Caliper Type | RF404 forged aluminum, 4-piston |
| Rotor Size | 355x29mm |
| Rotor Type | 2-piece floating disc, slotted or drilled |
| Caliper Material | Forged aluminum |
| Finish Options | Natural Anodize (Zinc), Red, Orange, Yellow, Green, Light Metallic Blue, Dark Metallic Blue, Silver, Black Hard-Anodize, White |
| Position | Rear axle set |
| Fitment | 2006-2010 Jeep Grand Cherokee SRT8 |
| Warranty | 1-year Rotora warranty |
What's Included
- 2x RF404 forged aluminum rear calipers
- 2x 355x29mm 2-piece floating rotors
- Braided stainless brake lines
- Mounting brackets and hardware kit
- Performance brake pads
FAQ
What is the RFK.255.03?
The RFK.255.03 is a Rotora Street Challenge rear brake system for the 2006-2010 Jeep Grand Cherokee SRT8, featuring 4-piston RF404 forged calipers and 355x29mm 2-piece floating rotors. It is a direct bolt-on upgrade over the factory rear brakes for improved stopping power and heat management.
Should I choose slotted or drilled rotors?
Slotted rotors clear gas and debris from the pad surface and hold up well under sustained heavy use, making them a strong choice for daily driving or track days. Drilled rotors offer sharper initial bite and a more aggressive look but are typically better suited to lighter street use.
What color options are available for this kit?
This kit is offered in Natural Anodize (Zinc), Red, Orange, Yellow, Green, Light Metallic Blue, Dark Metallic Blue, Silver, Black Hard-Anodize, and White, so you can match the calipers to your SUV's look.
What years and trims does this kit fit?
This Rotora rear brake system is designed specifically for the 2006-2010 Jeep Grand Cherokee SRT8.
Why does the Zinc finish cost more than the other colors?
The Zinc natural anodize finish uses a more involved anodizing process than the standard color finishes, which is why it carries a higher price point than the other nine available colors.
How difficult is installation?
Installing this rear brake system requires intermediate to advanced mechanical skill and standard hand tools. Most experienced installers or shops can complete the swap in a few hours, though professional installation is recommended if you are not comfortable with brake system work.
Is there a break-in procedure for new brakes?
Yes. New pads and rotors should be broken in with a series of moderate stops from around 45 mph down to 10 mph, allowing full cooling between stops, and avoiding hard braking or extended highway driving for the first 200 to 300 miles.
Are aftermarket brake pads compatible with this kit?
This kit ships with performance pads matched to the RF404 caliper. Replacement pads sized for the RF404 caliper will fit, but it is best to confirm pad compatibility with Rotora before sourcing pads from other brands.
Should I upgrade the front and rear brakes together?
Pairing this rear system with the matching RFK.254.03 front kit keeps the brake bias close to factory proportions and gives the most balanced, predictable stopping performance across the whole vehicle.
What warranty comes with this brake system?
The RFK.255.03 is backed by a 1-year Rotora warranty covering manufacturing defects in the calipers and rotors.
About Rotora
Rotora designs and manufactures high-performance big brake kits for street, track, and off-road applications. Every RFK.255.03 kit is built around forged calipers and 2-piece floating rotors engineered to handle sustained heat and repeated hard stops without losing pedal feel. Rotora components are developed and tested to deliver consistent, fade-resistant braking for demanding vehicles like the Jeep Grand Cherokee SRT8.
WARNING: This product can expose you to chemicals including brake dust, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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