Application List Porsche 911 997 3.6L Carrera (08-11) Porsche 911 997 3.6L Carrera 4 (08-12) Porsche 911 997 3.6L GT3 (06-09) Porsche 911 997 3.8L Carrera 4S (08-12) Porsche 911 997 3.8L Carrera 4S/4 GTS (09-12) Porsche 911 997 3.8L Carrera S (08-11) Porsche 911 997 3.8L Carrera S/GTS (09-11) Porsche 911 997 3.8L GT3 (09-11) Porsche 911 997 3.8L GT3 RS (09-11) Porsche 911 997 3.8L Turbo (09-12) Porsche 911 997 3.8L Turbo S (10-12) Porsche 911 997 4.0L GT3 RS (11-12) Porsche 911 991 3.4L Carrera (2011+) Porsche 911 991 3.8L Carrera 4S (2012+) Porsche 911 991 3.8L Carrera S (2011+) Porsche 911 991 4.0L GT3 (2017+) Porsche 911 991 4.0L GT3 RS/R (15-20) Porsche Boxster 987 2.7L (06-09) Porsche Boxster 987 2.9L (09-12) Porsche Boxster 987 3.4L S (06-11) Porsche Boxster 981 2.7L (2012+) Porsche Boxster 981 3.4L S (2012+) Porsche Cayman 987 2.7L (06-09) Porsche Cayman 987 2.9L (09-13) Porsche Cayman 987 3.4L R (10-12) Porsche Cayman 987 3.4L S Sport (08-12) Porsche Cayman 987 3.4L S (05-13) Porsche Cayman 981 2.7L (2013+) (non-exhaustive listing)HP Ignition Uprated Coilpacks SpecificationsSpecially designed for tuned engines operating at high revs and temperatures the HP Ignition coilpacks offer superior resistance and quality compared to OEM ignition coils. The installation of HP Ignition coilpacks will solve all common ignition problems such as misfires and hesitant performance.The HP Ignition coilpacks provide a gain in horsepower and torque up to 4 % thanks to their high and stable voltage ensuring a powerful spark even at high revs. The installation is totally plug & play without any modifications or adjustments necessary.Comparative Performance GraphComparison carried out by our partner W-Autosport using a bone stock Nissan 200SX S14 with an SR20DET engine.