They are also available directly from the Benchmark website.   

This listing is for a brand new Benchmark Performance Ignition Coil, HT lead set and fitting kit! These are a firm favourite in the UK forum and Facebook community and have made a name for themselves on track and on the street, do not settle for anything less. For those that wish to know a little more about us and our design philosophy which sets us apart from the rest. This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Ignition Systems & Components\Ignition Coils". The seller is "beastbits" and is located in this country: GB. This item can ...

   NISSAN SKYLINE RB26 R8 IGNITION COIL CONVERSION KIT. Being one of the leading UK skyline tuners, one of our weekly challenges that we face was insufficient spark energy from the dated ignition components fitted to these iconic cars. Regularly we are seeing failures from degrading ignition coils, faulty ignition amps and old brittle wiring harnesses. The sourcing and replacing these components results in us going round in circles due to no new components being available and having to change like for like 2nd hand parts, as well as this due to the advent of new exotic fuels there is ...