Shop quality ignition cap & rotor parts for peak performance. Get reliable distributor cap & rotor replacement. Explore distributor cap & rotor kits. Maintaining your car's distributor cap and rotor is crucial for optimal engine performance. Signs that they may need replacement include misfires, rough idling, and a decline in fuel efficiency. When selecting a new distributor cap and rotor, consider the material quality?durable plastics and high-grade aluminum offer longevity and reliable conductivity. Look for direct-fit options to ensure compatibility with your vehicle model, as they are designed for easy installation. Regular inspection and timely updates to these components can lead to smoother rides and better ignition system health, keeping your engine firing on all cylinders.