A tough 8.5mm synthetic/silicone jacket over an extra-heavy glass braid and dielectric insulator keeps the current guided to the plugs. The MSD super conductor wire set has dual crimped stainless steel terminals. A helically wound core has only 40-50 ohms of resistance per foot. MSD Ignition warrants its products to be free from defects in material and workmanship under normal use, if properly installed, for a period of one year from the date of purchase. Fits 1998 - 2002 Chevrolet Camaro, 1997 -2004 Chevrolet Corvette, 1998 - 2002 Pontiac Firebird; 2004 Pontiac GTO