once again MR philm you piss me off we have sold 5-6 of these decompression plates with no problems ever and you always slag these off !!!!!!!!!!!!!!!!!!!!!!! my zetec turbo conversion with richm cost me just over £600 to do from start to finish including buying the engine and made over 200 bhp with no problems and is still going strong nearly two years later SO THEY DO WORK and skimming piston yes nice until it goes BANG which it will do until you have any proff they dont work SHUT UP!

and how long have you been doing your car ??????????????? does it run yet lol

i could go on but i shall shut up as you no we did it to prove you dont have to buy £600 pistons to start with