6 Pack.

The Accel 0736-4 Performance U-Groove Resistor Spark Plug is a set of four glow plugs designed for high-performance vehicles. Made by ACCEL, a trusted brand in the automotive industry, these spark plugs are manufactured in the Czech Republic. The U-Groove design and resistor construction ensure optimal performance and reliability for improved ignition systems in cars and trucks. This product is a great choice for car enthusiasts looking to upgrade their ignition system components for enhanced engine performance.