Good spark is one of the four requirements for healthy internal-combustion engine operation. If your spark plug wires have gotten cracked, glazed, or brittle, you're not getting the maximum performance from your engine. You need a new set of Bosch spark plug wires. Bosch spark plug wires can dramatically improve engine performance and economy. Bosch spark plug wires are made with the latest in ignition wire technology, with oil- and heat-resistant silicone jacketing, superior RF noise reduction, and high voltage capacity. Bosch ignition wire sets are custom made for each application. That means that your Bosch spark plug wires will have the correct spark plug boots, the Bosch ignition wires will be the correct length, and your new Bosch spark plug wires will meet--and frequently exceed--OE requirements. The result is a hotter spark delivered by your Bosch spark plug wires, and better performance and fuel economy from your vehicle. Whether you drive an import or domestic vehicle, we have the Bosch spark plug wires you need at the best prices right here. All of our Bosch ignition wire sets are guaranteed to fit correctly, and Bosch premium spark plug wires are backed by a "no-hassle" lifetime guarantee. Upgrade to a hotter, stronger spark today with Bosch spark plug wires.