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Street-to-Track Performance for the Most Powerful Mopar SUVs on the Road
The Rotora RP.21520.2 H6 Graphite Metallic front brake pad delivers all-around street and track performance for the factory 6-piston front calipers of the Dodge Durango SRT Hellcat and Jeep Grand Cherokee Trackhawk. Engineered for the larger OEM caliper specific to these supercharged platforms, the RP.21520.2 is a direct-fit pad requiring no brackets or hardware modifications. The H6 Graphite Metallic compound covers the full spectrum from daily street driving through spirited canyon runs and HPDE track sessions, with a temperature ceiling of 500 C and a friction coefficient of 0.32 to 0.45 that stays consistent across varying thermal load. For Hellcat and Trackhawk owners who want a step beyond ceramic but do not need a full race compound, the RP.21520.2 is the ideal front pad upgrade. Rotora formulates the RP.21520.2 using the same ceramic-carbon and graphite metallic material standards applied to its full big brake kit program, ensuring the H6 compound meets the demanding requirements of 700-plus horsepower SUVs under real driving conditions.
Key Features
- H6 Graphite Metallic compound — ideal for all-around street and track use
- Disc temperature range: 0 to 500 C / 0 to 932 F
- Average coefficient of friction: 0.32 to 0.45
- Excellent initial bite and stable pedal feel across all driving conditions
- Direct fit for the 6-piston OEM front caliper on the Durango SRT Hellcat and Grand Cherokee Trackhawk
- Non-asbestos ceramic-carbon graphite metallic formula
- Compatible with both street and light track use without compound swaps
- No brackets, adapters, or caliper modification required
- Rotora factory quality throughout
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2021 | Dodge | Durango | SRT Hellcat |
| 2023-2025 | Dodge | Durango | SRT Hellcat |
| 2018-2021 | Jeep | Grand Cherokee | Trackhawk |
Specifications
| Detail | Value |
|---|---|
| Part Number | RP.21520.2 |
| Pad Type | H6 |
| Compound | Graphite Metallic |
| Drive Type | Street / Track |
| Axle | Front |
| Caliper Type | 6-Piston OEM (Durango SRT Hellcat / Trackhawk) |
| Disc Temp Range | 0 to 500 C / 0 to 932 F |
| Avg Coefficient of Friction | 0.32 to 0.45 |
| Material | Non-Asbestos Ceramic-Carbon Graphite Metallic |
| Quantity | 1 Set (Full Front Axle) |
| Brand | Rotora |
| UPC | N/A |
What's Included
- 1 complete front axle set of Rotora RP.21520.2 H6 Graphite Metallic brake pads
- Rotora pad hardware kit
About Rotora
Rotora manufactures high-performance brake systems and pad compounds trusted by track-day enthusiasts and professional racing programs worldwide. The H6 Graphite Metallic formula is Rotora's premier street-track compound, delivering consistent friction across a wide temperature range for drivers who move between daily commuting and performance driving without changing pads. Rotora develops every pad formula using the same material standards as its full brake kit program, providing direct-fit pad customers with genuine engineering-grade performance at a caliper-compatible price point.
Frequently Asked Questions
What vehicles does the Rotora RP.21520.2 fit?The RP.21520.2 fits the 2021 Dodge Durango SRT Hellcat, the 2023 to 2025 Dodge Durango SRT Hellcat, and the 2018 to 2021 Jeep Grand Cherokee Trackhawk. These platforms share a larger 6-piston OEM front caliper distinct from the caliper used on the Durango SRT 392 and Grand Cherokee SRT, which require the RP.14051 series pads.
Is the H6 suitable for HPDE track days in a Trackhawk?Yes. The H6 Graphite Metallic operates up to 500 C and maintains a consistent friction coefficient throughout that range, making it well-suited for HPDE sessions and autocross events where temperatures stay within street-to-track levels. For sustained circuit racing with repeated high-speed braking, the H8 or H9 compound provides a higher thermal ceiling.
Does the RP.21520.2 caliper differ from the Durango SRT 392 caliper?Yes. The Durango SRT Hellcat uses a larger 6-piston front caliper than the Durango SRT 392. The RP.21520.2 is designed for the Hellcat caliper only. Installing SRT 392 pads (RP.14051 series) in a Hellcat caliper is incorrect and can cause unsafe brake performance.
Is the Grand Cherokee Trackhawk caliper the same as the Grand Cherokee SRT?No. The Trackhawk uses a larger, different 6-piston front caliper than the Grand Cherokee SRT. The RP.21520.2 fits the Trackhawk caliper. The Grand Cherokee SRT requires RP.14051 series pads. These are not interchangeable.
Does the 2022 Durango SRT Hellcat fit the RP.21520.2?No. Dodge did not produce a Durango SRT Hellcat for the 2022 model year. The Hellcat variant was available in 2021 only, discontinued in 2022, and returned for 2023 through 2025. The RP.21520.2 covers the correct production years: 2021 and 2023 to 2025.
Will H6 pads generate more dust than the stock pads?The H6 Graphite Metallic compound produces more dust than the H2 Ceramic but less than a pure race compound. Graphite metallic formulas are inherently dustier than ceramics due to the metallic content, but the H6 is formulated to minimize excessive wheel contamination during normal street use.
Is bedding-in required?Yes. Perform 8 to 10 progressive stops from 60 mph down to 10 mph with adequate cooling between each pass, followed by 4 to 6 firmer stops. Allow a full cool-down before normal driving. Proper bedding ensures an even transfer film on the rotor surface and unlocks the full friction range of the H6 compound.
Can I run the RP.21520.2 with the factory Brembo rotors?Yes. The RP.21520.2 is a direct-fit replacement pad for use with the factory rotor setup on the Durango SRT Hellcat and Grand Cherokee Trackhawk. Rotora recommends inspecting rotor thickness and surface condition before fitting new pads, and replacing rotors that have reached minimum thickness or show significant heat checking.
Installation Instructions
- Safely lift and support the vehicle on jack stands and remove the front wheels.
- Remove the brake caliper retaining bolts and carefully slide the caliper off the rotor. Suspend with a wire hook to avoid brake hose stress.
- Remove the old brake pads and all hardware clips or shims from the caliper bracket.
- Clean all bracket contact surfaces and sliding pins with brake cleaner.
- Using a piston retraction tool, carefully retract all caliper pistons evenly back into the bore.
- Install the new RP.21520.2 pads into the bracket, ensuring all clips are fully seated.
- Reinstall the caliper and torque all bolts to factory specification.
- Reinstall the wheel and torque lug nuts to specification.
- Pump the brake pedal firmly until full pedal feel is restored before moving the vehicle.
- Top off brake fluid as needed and perform the recommended bedding procedure before track use.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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