Subaru WRX & WRX STI Manuals 2016 WRX & WRX STI Owner’s Manual | Page 549

12-8 Specifications/Specifications & Electrical system Battery type and capacity (5HR) 55D23L STI Alternator 12V-110A Except STI 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 psi (230 kPa, 2.3 kgf/cm2) Rear 32 psi (220 kPa, 2.2 kgf/cm2) Wheel size Pressure Wheel nut tightening torque 32 psi (220 kPa, 2.2 kgf/cm2) 1 89 lbf·ft (120 N·m, 12 kgf·m)* *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 wh VV