That's a Corse, it was a Hawk for sale - they are very different
cars. Hee's what you get for the money:- There is a lot that is not
included, )IIRC the Hawk had most of the other bits collected and
included) Average build price, which depends on components used,
amount of work that the builder can do himself, etc., etc.,is about
$43,000.

NAPIERSPORT CORSE KIT LIST:
Tubular Steel Space Frame Chassis, Fully Bracketed,
Powdercoated & Paneled
Aluminum Front Inner Wings & Floorpan (fitted)
4-Piece Insulated Aluminum Rear Bulkhead With Removable
Center Panel (fitted)
Front & Rear Suspension Wishbones (Powdercoated)
Trailing Links, Bushes & Ball Joints (set)
Front & Rear Aluminum Suspension Uprights (set)
Steering Rack, Including Track Rod Ends, Steering Arms &
Mountings
Dash Surround
Pre-Cut Stainless Stradale Instrument Panel & Pod
Full Set of Bodywork With Front, Rear & Center Body Sections
Boot Lid, Front & Rear Body Hinges (set)
Left & Right Doors & Hinges
Inner Door Panels & Helmet Trays
Perspex Side Windows, Guides & Knobs
Windscreen & Rear Window
Headlamp Housing, Mounting Bracket & Headlamp Surround
Aluminum Front Louvre Panel
Front & Rear Grills
Rear Window Louvre
Rear Light Surrounds
Steering Column Assembly
Hand Brake Lever Assembly
Windshield Wiper Motor Assembly & Wiperblade (560mm)
Gear Lever Assembly
Throttle Pedal & Cable, Handbrake Cable;
Necessary Mounting Brackets
Battery Tray
Build Manual
Custom Shipping Crate, Trans-Atlantic Shipping & Insurance
Import Duties & Taxes

Here's the place to come for unbiased info and advice
http://www.stratossupersite.com/forum/index.php