SR 20? Engine Identification

[Winchesterm1873]

Hello everyone, first post here. I found myself here after finding an old JDM engine, or so I think. The engine code appears to be 53J8R as seen in the photos. Thanks everyone. What do I have here?

[vxspiritxv]

http://www.sr20forum.com/sr20de-technical-corner/132608-sr20de-t-compression-headcode-list.html

[tlldopa]

well,i think so,thanks for your sharinghttp://t.im/123ob