Compatible with 1.9-2.1 Waterboxer engines Designed for use with Pin type Cap and Coil Durable and reliable performance This ignition HT lead set is designed for 1.9-2.1 Waterboxer engines, offering a dependable connection for smooth operation. It’s made to be used with a Pin type Cap and Coil, ensuring optimal performance. The set is built for long-lasting reliability, helping maintain the efficiency of your engine. With easy installation and a quality design, it's a great choice for your vehicle's ignition system. .