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Stop Harder, Tow Safer: Big Brake Performance for 1500 TRX
The alcBKF1559AX75 is a big brake kit engineered by Alcon for 2021-2025 RAM 1500 TRX. This kit pairs a 6-piston caliper with a 376mm rotor measuring 42mm thick, delivering increased thermal capacity and reduced brake fade compared to stock hardware. Alcon builds every caliper from ductile iron with an epoxy acrylic finish over an acid zinc base for long term corrosion resistance, and every seal is rated for extreme motorsport temperatures.
Key Features
- 6-piston Red caliper for increased clamping force
- 376mm x 42mm rotor for greater thermal mass
- Ductile iron caliper housing with epoxy acrylic corrosion protection
- High temperature seals rated for motorsport level heat
- Compatible with stock master cylinder and ABS system
- Designed to clear most OE and aftermarket wheel packages
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2021-2025 | RAM | 1500 TRX |
Specifications
| Detail | Value |
|---|---|
| Rotor Diameter | 376mm |
| Rotor Thickness | 42mm |
| Piston Count | 6 |
| Caliper Color | Red |
| Wheel Fit | Stock 18in and many 18in+ aftermarket wheels |
| UPC | 854071008874 |
What's Included
- Left Caliper CIR1559AX52HZL021A01
- Right Caliper CIR1559AX52HZR021A01
- Brake Pads PNS4415X512S.4
- Left Rotor DIA2146X296C24L
- Right Rotor DIA2146X296C24R
- Bracket Kit BSK4415X626
About Alcon
Alcon has engineered braking systems for over four decades, supplying motorsport teams from grassroots racing to top tier international competition. Every road going Alcon kit is derived directly from that racing experience, using the same seal materials, caliper alloys, and rotor metallurgy proven under sustained track loads. The result is a braking system built to perform consistently whether towing, off roading, or lapping a circuit.
Related Parts
- Contact us for compatible Alcon parts for this application
FAQ
What is the alcBKF1559AX75?The alcBKF1559AX75 is an Alcon big brake kit built for 2021-2025 RAM 1500 TRX. It is designed as a direct fit upgrade or replacement part using Alcon's motorsport engineering.
Does this part come with a warranty?Yes, Alcon backs this part with a 12 month, 12,000 mile warranty against factory defects and material issues.
Will this fit my vehicle if it has aftermarket wheels?Most 17 inch and larger aftermarket wheels clear this application, but wheel fitment should always be confirmed against the manufacturer's wheel template before ordering.
Is professional installation required?Alcon recommends installation by a qualified technician familiar with brake system service, as proper torque specs and bedding procedures are critical to safe operation.
Does this part work with the factory master cylinder and ABS system?Yes, this part is designed to work with the stock master cylinder and ABS system with no additional modification required.
What is included in the box?The kit includes calipers, rotors, mounting brackets, and hardware. Some kits include pre-installed brake pads.
Will I need new brake pads over time?Yes, brake pads are a wear item. Alcon offers direct fit replacement pad sets for this caliper platform.
Where is this part manufactured?Alcon parts are engineered and manufactured to motorsport standards with quality control derived from decades of racing supply experience.
Install Instructions
- Raise and safely support the vehicle, then remove the wheel on the side being serviced.
- Remove the factory or existing caliper, rotor, and bracket per the vehicle service manual.
- Install the Alcon bracket and torque all fasteners to the manufacturer specified values.
- Mount the new rotor and caliper assembly, confirming clearance around the wheel and suspension.
- Connect and bleed the brake lines if the caliper or lines were disturbed during installation.
- Reinstall the wheel and torque to the vehicle manufacturer's specification.
- Perform several low speed brake applications to seat the pads before normal driving.
- Recheck all fasteners and fluid level after a short test drive.
Prop 65 Warning
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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