SAE J2721 Certified


Patented Anticorrosion Tone Ring

Mitigates Pedal Pulsation


Carbon+ Ensures Better Performance, Safety, and Longer Brake Life


Painted Hat and Patented Disc Finish

Ready-to-Go from the Shipping Container to the Car


For Those Who Want the Best...Choose

How Do We Measure Up?

Our precise research and development process assures you are buying a rotor that meets or exceeds the original in performance.


All products are tested by accredited independent laboratories, (Link Engineering Labs, Conformity Assessment Certification and Greening Laboratories in Detroit, MI).


  • SAE J2928 Tests for Stability during high heat braking conditions

  • SAE J2933 Modal test to measure quiet braking operations

  • SAE J431 Verifies material composition and properties for stability and strength

  • Metallurgy — Carbon/CE Content 

    A critical characteristic of a rotor is the chemistry used to make the casting. The chemical elements and ratios are used to measure a rotor’s thermal capacity and durability. While “High Carbon” content rotors are marketed as the best, there are other elements crucial to the carbon and Carbon Equivalent (CE) bonds which determine the rotor’s actual strength and ability to handle the high heat demands today’s brake systems deliver. Chart “A” shows the CE factor of the AmeriPLATINUM rotor and how it rates against some key competitors’ rotors. The AmeriPLATINUM rotor has the closest CE factor to the OE.

  • Rotor Mass Loss

    Rotor mass loss is an indicator if the rotor is too hard or too soft which can result in premature pad wear or excessive rotor wear. Chart “B” uses the OE rotor as the baseline. Competitor RM failed the SAE J2928 test. Note the AmeriPLATINUM had the lowest mass loss! Less is better with this test.

  • Surface Finish

    Surface finish is an important attribute for a rotor to deliver smooth and effective braking. A rotor needs to be smooth, but not too smooth so pads can grip the rotor. The rotors noted in Chart “C” were all within the normal surface roughness range. The unique and proprietary groove on the AmeriPLATINUM rotor is designed for a smooth break-in of the pads and rotor.

  • Disc Thickness Variation


    DTV is another significant factor for smooth braking. It is the primary cause of vibration, noise and pedal pulsation. Less DTV is best; note AmeriPLATINUM is again best in class in this critical measurement, with OE as the baseline.


The Reason Why Pros Use


  • Full corrosion resistance on all coated rotors

Passing all ASTM B-117 Salt Spray (240 hour) tests


  • Exacting ISO standards that meet SAE J431 requirements


  • Engineered to abate NVH (noise, vibration, & harshness) that challenge today’s vehicle brake designs


  • High carbon content metallurgy eliminates thermal cracking found in many lower quality rotors


  • OE – Form, Fit, and Function to allow ease of installation and flawless braking


  • Complete coverage for automotive, light, and medium duty truck applications


  • Competitively positioned

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