WRX STI FOR SALE THINGS TO KNOW BEFORE YOU BUY

Just like the predecessor, the EJ20 engine has an aluminum cylinder block with dry Forged iron sleeves/liners installed inside. The most typical version on the Obviously aspirated engine, the EJ20E, has aluminum alloy cylinder heads with SOHC style and design (one overhead camshaft). EJ20 head functions four valves for every cylinder and centrally