GRS cooler is the kiddy , got 1 on ma S2 , looks the nutz , and dont fit fan on cooler looks shit , keep it on the rad and hook up a switch , incase u hit some traffic ,, just 2 be safe , oh and dont shut bonnet once fitted cose catch will dent cooler like mine cut it bak a bit for clearence,, take it other ppl had this problem i hope , i employed a trusty tie rap to hold rad bak from fan etc ,, but have a little imprint of ma actuator on ma rad , but never caused me any probs , been on for a year now