United Motor Products 978S Coil-on-Plug boot Spring kit assemblies - 4

The United Motor Products 978S Coil-on-Plug Boot & Spring Kit includes 4 complete assemblies designed to restore proper ignition coil performance and prevent misfires. This kit provides essential components for repairing or replacing worn coil-on-plug connections in modern ignition systems.

Key Features:

• Includes 4 complete boot and spring assemblies for multi-cylinder repair
• High-temperature silicone boots resist heat and electrical breakdown
• Spring terminals ensure positive electrical contact between coil and spark plug
• Direct replacement for worn or damaged coil-on-plug components
• Helps prevent ignition misfires and restore smooth engine operation
• Quality construction meets OE specifications for reliable performance

Coil-on-plug boots and springs are critical wear items in modern ignition systems. Over time, heat and electrical stress can cause boots to crack or springs to lose tension, resulting in misfires, rough idle, and poor engine performance. This kit provides the essential components needed to restore proper coil-to-spark plug connection and maintain optimal ignition system function.