Subaru EJ engine
Other Data
All the EJ series share compatibility and construction similarity and are 16 valved engines. The EJ series started with the EJ15, a (SOHC) and makes ~90 hp (67 kW; 91 PS), then the EJ16, a single overhead cam (SOHC).

Subaru EJ engine

Section Title: Other Data
Table Section Text: All the EJ series share compatibility and construction similarity and are 16 valved engines. The EJ series started with the EJ15, a (SOHC) and makes ~90 hp (67 kW; 91 PS), then the EJ16, a single overhead cam (SOHC).

Block	EJ205	EJ207	EJ255	EJ257	EJ257

Head Type	US WRX	SpecC	US WRX	US STI	EU STI

Bore	92 mm (3.62 in)	99.5 mm (3.92 in)

Crank Stroke	75 mm (2.95 in)	79 mm (3.11 in)

Rod Length	130.43 mm (5.135 in)

Piston Pin Offset	.3289 mm (0.01295 in)	.3159 mm (0.01244 in)	.3088 mm (0.01216 in)

Deck Height	201 mm (7.9 in)

Gasket Thickness	0.8 mm (0.031 in)

Head Volume	51 cc (3.1 cu in)	50 cc (3.1 cu in)	51 cc (3.1 cu in)	57 cc (3.5 cu in)	50 cc (3.1 cu in)

Piston Dish	12 cc (0.73 cu in)	8 cc (0.49 cu in)	24 cc (1.5 cu in)	22 cc (1.3 cu in)

Piston Deck	0.38 mm (0.015 in)	1.48 mm (0.058 in)	0.39 mm (0.015 in)

Total Quench Height	0.98 mm (0.039 in)	2.08 mm (0.082 in)	0.99 mm (0.039 in)

Total Quench Volume	8.51 cc (0.519 cu in)	13.83 cc (0.844 cu in)	7.7 cc (0.47 cu in)

Total Deck Volume	18.51	19.83	29.7

Swept Volume	498.57 cc (30.425 cu in)	498.57 cc (30.425 cu in)	614.25 cc (37.484 cu in)

Compresses Volume	89.51 cc (5.462 cu in)	89.83 cc (5.482 cu in)	85.31 cc (5.206 cu in)	83 cc (5.1 cu in)	79.7 cc (4.86 cu in)

Static Compression Ratio	8.17:1	8.14:1	8.4:1	8.2:1	8.71:1

Rod to Stroke Ratio	1.74 mm (0.069 in)	1.65 mm (0.065 in)

Engine Displacement	2.0 L (1,994 cc)	2.5 L (2,457 cc)

Sentence(s)

The Subaru EJ engine had 92 mm (3.62 in) bore and a 75 mm (2.95 in) stroke.

final_sentence: The Subaru EJ engine had 92 mm (3.62 in) bore and a 75 mm (2.95 in) stroke.