65a29c43_re_Sets___Performance_Products__FireCore50
[0] Inner Core [FireCore250] Layers of carbon latex used to absorb RFI [FireCore50] 
Ferrite metallic composite, and carbon molecular compound are blended and layered over the center core to absorb all RFI emmissions from the copper/nickel wrap.
FAQ  :: Custom Wire Sets & Performance Products
FireCore50