Subaru WRX & WRX STI Manuals 2015 WRX & WRX STI Owner's Manual | Page 473

12-8

Specifications/Specifications

& Electrical system
Battery type and capacity (5HR)

55D23L (12V-48AH)
STI

12V-110A

Except STI

Alternator

12V-130A

STI

Spark plugs

SILFR6A (NGK)
ILKAR8H6 (NGK)

Except STI

& Tires
Tire size

235/45R17 94W

245/40R18 97W

17 6 8J

18 6 8 1/2J

Front

33 psi (230 kPa, 2.3 kgf/cm2)

33 6