- Top-quality (GM Packard) double-silicone wire set rated at 430°
- Aramid-fiber inner core for super conductivity
- Heavy-duty premium-quality distributor cap with solid brass contacts
Super duty tune-up kit includes these components plus heavy-duty rotor with brass or RFI coating, original-equipment-style heavy-duty silicone spark plug boots with zinc-coated snap-lock terminals, heavy-duty wire separators and numbers, dielectric grease, tune-up specifications and tips. Limited lifetime warranty on wire sets. Limited one-year warranty on cap and rotor.