for any1 who consider to buy k swap need to know about this...

K20Z3
This inline-4 cylinder internal combustion engine is found in the US market Honda Civic Si (2006+) & Canadian market Acura CSX Type-S and Honda Civic Si (2006+). It has an aluminium block with an aluminium head, and a bore and stroke of 86 mm x 86 mm, resulting in a 2.0 Liter displacement.

Found in:
2006-2009 Honda Civic Si (FG2 - Coupe & FA5 - Sedan), 2007 Acura CSX Type-S
Displacement : 1,998 cc (121.9 cu in)
Compression : 11.0:1
Power: 197 bhp (147 kW) @ 7800 rpm (sae NET Rev 8/04)
Torque: 139 ft·lbf (189 N·m) @ 6200 rpm (sae NET Rev 8/04)
Redline: 8200 rpm
i-VTEC Engagement Window:5800 rpm