Originally Posted by zt-adz
Originally Posted by saqmaster
You know they're not calibra turbo pistons right?
thats what i was thinking, mates just has his built and they say C20 LET on the top of the pistons
The ones in the photos above are the N/A astra pistons, which people use for ZVH engines. Not really suitable for a zetec turbo as the compression ratio ends up way too high