Yea, I had them in my 1.3 and it made a big gain, I also had a head with a 2mm skimm port and polish with some piper cams and a full janspeed and the car was quight quick, it never ran out of torque it even pulled very well in 5th this and a full strip out seen the better of my mates 1.6 almera and his bros Saxo vts along with many other cars, I was realy chuft with performance, big cheers to frank is in order for giving me the info (Y)