Oh, i got the black ones as they were the only ones listing as tapered which ive been told are better on bumps.
*EDIT*, Andy, ive just realised that ALL the ghea pistons are tapered right? DUH brain here. So could i drill the holes out to the same size as the red ones, and hey presto?
I believe black are 1.1mm and Red are 3/64, either way i got both drill bits here?
Jamie.......
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