- Wire conductor, wire length, and diameter help provide maximum spark delivery and protection
- Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal
- Terminal design improves spark plug retention and assists installation with excellent corrosion resistance
- Insulator employs high dielectric materials
- Coil retainer prevents fretting and micro-arcing
ACDelco Professional Spark Plug Wire Sets are engineered with strength enhancing fiberglass and high temperature silicone insulators. These spark plug wires are a premium aftermarket offering that covers over 96% of domestic vehicles on the road today. Parts offered for GM, Chrysler, Ford, Honda, Nissan, and Toyota vehicles. ACDelco Professional Spark Plug Wire Sets are designed to match the fit, form, and function found on new vehicles.
