Thanks i only found there usa site,it looks like i can buy 1 gauge and hardware at a time and keep adding more when i want to.the daisychain power supply is clever,prices seem good to
Have a look at Depo mate they do 3 in 1. Seller on eBay called xenon-uk, they're about £100 and you'll need an oil sandwich plate with sensors which is £30 from tegiwa