The NRS Brakes Piston Cushion
When brakes are applied to a moving vehicle, heat is created through friction between the brake pads and rotors. Heat transfer happens when the heat travels through the brake caliper to affect other parts of the braking system such as brake fluid.
The Piston Cushion acts as a barrier, de-couples the brake pad vibration, eliminating noise and. minimizing heat.
Features & Benefits
- Absorbs vibrations for improved NVH
- Universal system for improved noise abatement
- Included in every NRS brake kit - where applicable
- Acts as a Heat Shield for Pad/Rotor/Caliper
- Protective cap for caliper piston
- Reduces weat/heat impact on caliper piston
Behind the Patent
Composite Makeup
The hybrid makeup prevents direct contact between steel components.
Noise Test
To measure noisy brake stops and NVH, the NRS Piston Cushion was put though many tests, including the SAE standard J2521 noise test. This test is an automotive industry standard test, consisting of 1400+ stops at various pressures, velocities, and temperatures. A noisy stop is considered any stop having a greater than 70dB noise rating.
Cumulative Noise vs. Test Progression
The chart above shows two comparative SAE J2521 noise tests. The test was run once without NRS PISTON CUSHION and again with NRS Piston Cushion. In each case, the number of noisy stops was tracked and charted. After 1,430 stops, NRS Piston Cushion reduced the number of noisy stops by over 70%.
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