Gallery: the extra mile
The greatest pics that didn’t make it on to TopGear.com this week
Posted: 05 Apr 2013
These are two of Extreme Tuners' 12000rpm Stage 3 Mitsubishi Evo heads with titanium and beryllium valves. The head on the left has no water channels for extra strength - the sort of thing that's used in dragsters - and the head on the right? That's just wonderful. If James May made paperweights...