[transzex]

20mmx1.5 pops in my head......

here's what I used..........

http://www.jegs.com/webapp/wcs/stores/servlet/product_10001_10002_745588_-1_10467

 

[transzex]

also if your looking to relocate the filter.........

http://www.jegs.com/webapp/wcs/stores/servlet/product_10001_10002_745590_-1_10467

the 6.5 yo tech article.......

http://www.hybridgarage.com/tech/oilcooler/index.html