ACDelco 9748UU Professional Spark Plug Wire Set
- 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.