1、Applicable Models: This 8mm spark plug wire is compatible with 4 cylinder classic cars. Please confirm whether your model is applicable before buying. 2、High Efficiency: Spark plug wire is able to deliver more accurate ignition commands and improve engine efficiency. 3、Durable Material: The high performance spark plug wire is made of metal and silicone material, which is resistant to aging and wear, durable, and has a long service life. 4、High Performance: The ignition spark plug wire set can withstand ultra high strength, high temperature, to have a stable performance. 5、Ideal Replacement: The performance of 8mm spark plug wire is stable, and it can be a good replacement for the original ignition cable for a more sensitive start.