4G63 2.0 litre 8 valve SOHC ("Sirius") used in non-US Starions.

 Australian "JD" intercooled model shown. (Note: alloy strut bar not standard)

   

  4G63 block. There were two different pistons used 7.6:1 and 8.5:1. The higher compression ratio type is shown.
   

 Engine is very similar to 4G63 DOHC engine in fact the head fits and the block is tapped for the extra idler pulley used on DOHC cam belt. However has different main bearing cap arrangement to 4G63 DOHC.
     
   

 7.6:1 compression piston (63T). As used in non JET valve Australian Starions.
   

 8.5:1 compression piston (63TS). As used on Japanese market JET valve engines.