FYI
Authentic Technical Service Information from:
2003 service manual J-body, Cavalier & Sunfire,
Volume 1,
Section 0, maintenance & lubrication,
Page 36
Spark Plug & gap, 2.2L L4, L61 -------------> AC Type 41-981, 1.06 mm (0.042 in) Gap
FYI its also on the emissions label under the hood.