Civic Si L4-2.0L (2004)
Spark Plug: Specifications
NGK .................................................................................................................................................................................................................... IZFR6K-11
DENSO ......................................................................................................................................................................................................... SKJ20DR-M11
Gap .......................................................................................................................................................................................
1.0 -1.1 mm (0.039 - 0.043 in)
Torque .......................................................................................................................................................................................................
18 N.m (13 lb.ft)