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2009
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Impreza GT F4-2.5L DOHC Turbo
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Ignition System
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Spark Plug
Spark Plug
Spark plug
Thread size (diameter, pitch, length) mm
14,1.25,26.5
Spark plug
gap mm (in)
0.7 - 0.8 (0.028 - 0.031)
Tightening torque:
1.
RH SIDE
Spark plug
21 N.m (2.1 kgf.m, 15.5 ft.lb)
2.
LH SIDE
Spark plug
21 N.m (2.1 kgf.m, 15.5 ft.lb)