User Manual - Page 539

For 2018 WRX WRX PREMIUM.

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(562,1)
Model "A1700BE-B" EDITED: 2017/ 10/ 11
& Electrical system
Alternator
STI 12V-110A
Except STI 12V-130A
Spark plugs
TYPE RA ILFR7H (NGK)
STI except TYPE RA SILFR6A (NGK)
Except STI
ILKAR8H6 (NGK)
& Tires
Tire size
STI 245/40R18 97W 245/35R19 89W
Except STI 235/45R17 94W 245/40R18 97W
Wheel size
17 6 8J 18 6 8 1/2J 19 6 8 1/2J
Pressure Front
33 psi (230 kPa, 2.3 kgf/cm
2
)
Rear
32 psi (220 kPa, 2.2 kgf/cm
2
)
Wheel nut tightening torque
89 lbf·ft (120 N·m, 12 kgf·m)*
1
*1: This torque is equivalent to applying approximately 88 to 110 lbf (40 to 50 kgf) at the end of the wheel nut wrench. If you have tightened the wheel nuts
by yourself, have the tightening torque checked at the nearest automotive service facility as soon as possible. For the wheel nut tightening procedure,
refer to Changing a flat tire F9-5.
Specifications/Specifications
12-8
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