Each one will be hand signed by Kyle, This can be easily removed with brake cleaner if not wanted.
Fits K20 and K24 engines (Please see application list below)
2002-2006 Acura RSX (All), 2004-2008 Acura TSX, 2004-present Honda Accord (4cyl), 2002-2005 Honda Civic Si, 2006-present Honda Civic Si