have in my posession 8 gen 3 coil packs, have done between 5 to 10 thousand klms. have in built igniters and are apparantly better than GTR coils, there is a guy using them in the latest zoom magazine on his datto 1600. suit engine conversin where aftermarket computer being used. selling as 2 sets of 4 open to offers as i don't kniw what they are worth or will trade for sommethin i can use on my car.