THE BEST SIDE OF SUBARU WRX ENGINES

Such as predecessor, the EJ20 engine has an aluminum cylinder block with dry Solid iron sleeves/liners mounted within. The most common Model on the The natural way aspirated engine, the EJ20E, has aluminum alloy cylinder heads with SOHC layout (one overhead camshaft). EJ20 head options 4 valves for every cylinder and centrally located spark plugs.