WRX STI: Electrical

Model

2.5 L DOHC high power turbo (except for TYPE RA)

2.5 L DOHC high power turbo (TYPE RA)

Ignition timing (at idling)

BTDC

15°±10°

Spark plug

Type and manufacturer

NGK: SILFR6A

NGK: ILFR7H

Generator

12 V - 110 A

Battery

Type

75D23L

Nominal capacity

5 HR: 53 Ah [25°C (77°F)]

Nominal voltage

12 V

CCA

470 A

BCI group number⁽¹⁾

35

⁽¹⁾	This is a reference information for battery size, and is not guaranteed by SUBARU CORPORATION.