The Nissan SR engine is a 1.6 L, 1.8 L, or 2.0 L straight-4 4-stroke internal...

The Nissan SR engine is a 1.6 L, 1.8 L, or 2.0 L straight-4 4-stroke internal combustion gasoline engine manufactured by Nissan Motors . It features an aluminum head and aluminum block with steel sleeves in selected models and features a DOHC 4-valve design, with variable valve timing on select models. The engine was used in many small to medium Nissan vehicles, including high-performance turbocharged variants. It was designed by Nissan as a replacement for the earlier CA series of engines. Power output shown is JIS Net PS or ECE Netkilowatts unless otherwise indicated. SR18Di SR18DE SR20Di SR20DE and SR20De SR20DET SR16VE SR20VE SR20VET