MACE IGNITION SERVICE KIT TO SUIT AUDI A6 C4 C5 ACK AGA APR APS 2.4L 2.8L V6The cause of an irregular misfire or a stumble under load may be due to a failed component of the ignition system. This Ignition service kit includes everything required to freshen up the ignition system of your vehicle. This ignition service kit is specifically designed to suit Audi vehicles fitted with ACK, AGA, APR and APS V6 engines. The coils in this kit come with a 3 year 100,000km parts only warranty. Key Features: OEM replacement coils to work