NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 year’s experience and are driven by extreme dedication to innovation, performance and quality. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience. NGK ignition coils have vast coverage including late-model domestic and import vehicles. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. NGK's coil housings are manufactured with premium thermoplastic and high-quality epoxy for superior dielectric strength and durability. Magnetic laminated steel maximizes voltage output and coil performance. Fitment: 1997 Porsche Boxster Base 1998 Porsche Boxster Base 1999 Porsche 911 Carrera 1999 Porsche 911 Carrera 4 1999 Porsche Boxster Base 2000 Porsche 911 Carrera 2000 Porsche 911 Carrera 4 2000 Porsche Boxster Roadster 2000 Porsche Boxster Roadster S 2001 Porsche 911 Carrera 2001 Porsche 911 Carrera 4 2001 Porsche Boxster Roadster 2001 Porsche Boxster Roadster S 2002 Porsche Boxster Roadster 2002 Porsche Boxster Roadster S 2003 Porsche Boxster Roadster 2003 Porsche Boxster Roadster S 2004 Porsche Boxster Base 2004 Porsche Boxster S 2004 Porsche Boxster S Special Edition