What is this off? Induction

[brownyboy]

It says its off a ph1 mk2 but i thought they only had the one hole for the CAF???

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=280475905059&ssPageName=STRK:MEWAX:IT

 

[Craigus]

Looks like it is from a ph1,

 

[Martin_172]

thats a ph1 172 airbox, they have 2