This air box in new(never mounted) and includes everything you need to install. See my ebay ad http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=260307357731&sspagename=STRK%3AMESELX%3AIT&viewitem=
I decided to go a different route after I bought it, so my loss is your gain.
OK.. I got some Air Intake thoughts. Lookin for input.
The factory specs for bore and stroke (101mm x 112mm)
I get a volume of 54.7583 in³/cylinder.
.7854 * (101^2) * 112 * (.1^3) * (.393700787^3) = 54.75837050105755872 in³/Cyl.
Converted to ft³ per cylinder: