SP Performance Drilled and Slotted Brake Rotors With Standard Gray ZRC
Finish: SP Performance Cross-Drilled and Slotted Brake Rotors are a unique
design offering the best combination of cooling and out-gassing.
In fact, our
design is so unique we would like to go over some of the details. The first
thing we will point out on the drilled rotor is the chamfer. Unlike our
competition there is no edge on our chamfer. This is accomplished by the use of
an outer radius curve rather than a countersink. With the radius curve, or
Sinusoid Curve", it virtually eliminates an edge on the surface of the hole.
With no edge, there is less stress build up, thus reducing the chance of surface
checking. This smooth surface also makes the rotor more pad friendly by reducing
the wear of the pad caused by the friction scraping against a sharp edge.
All rotors are provided with our gray ZRC coating. It provides long-lasting
protection against corrosion in the most hostile salt-water environments. After
being applied, ZRC provides the highest level of galvanic protection. The film
of ZRC is conductive. After the coating heats up during use, it bonds
permanently to the metal surface. It will not allow the metal to corrode, even
when the surface is scratched.
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