After an important upgrade on this engine up to 80-100hp, we discovered that usual ignition systems had a costant misfire on right light moment. For this reason we apply these coils very strong, capables to have a costant output and make be easy every upgrade step. High pressure fueling with high pressure turbo can damage th engine if you run costantness on medium and high rpm, right in those moment where the engine has need of more ignition power.
The experiences on various engines upgrade has given us this solution one time for ever. To Buy the right ignitions mean have always successful on your upgrade