No more mention of it on DK's site, but found a cached page, here's the details from it:
Donut King Lamborghini Specifications
Model: Lamborghini LP 500 Quattrovalve Countach
Production: 610
Type: 2-door coupe, horizontally hinged doors
Wheelbase: 2500mm
Length: 4140mm
Width: 2000mm
Height: 1070mm
F/Track: 1536mm
R/Track: 1606mm
Weight: 1390mm
Structure: Round section steel tube space frame (40mm tubes)
Body: Aluminium panels, moulded fibreglass wheel arch extenuators. Kevlar front and rear panels & wing.
F/Suspension: Triangulated transverse levers with coil-over shocks. Sway and anti-roll bars.
R/Suspension: Twin coil-over shocks, trailing arms, transverse links with anti-roll bars.
Brakes: Competition ventilated discs
Front: 350mm
Rear: 290mm
Steering: Rack and Pinion
Lock to Lock: 3.2 turns
Turn Circle: 12.8 metres
F/Tyre size: 225/50 VR15
R/Tyre size: 345/35 VR15
Type: Pirelli P7R
Front Rim: 8.5x15
Rear Rim: 12x15
Type: Light alloy single piece racing wheels
Engine: V/12 60 degree, Light Alloy with pressed steel liners (type LP112D) Mid-mounted longitudinal rear wheel drive
Distribution: Dual overhead camshafts, chain drive, four valves per cylinder. 48 valves
Main Bearings: 7 x 4 bolt caps
Capacity: 5.267cc
Bore & Stroke:85.5 x 75mm
Compression: 9.9:1
Max Power: 480 BHP @ 7000 RPM
Max Torque: 510 NM (375 ft lbs @ 5200)
Cooling: Twin radiators mounted either side of engine
Ignition: Contactless electronic with Marelli coil and distributor
Fuel system: Bosch KE Jetronic
Drive Line: ZF 5 speed gearbox, driving to limited slip diff
Clutch: Competition hydraulic
1st gear ratio: 2.232:1
2nd gear ratio: 1.625:1
3rd gear ratio: 1.625:1
4th gear ratio: 0.858:1
5th gear ratio: 0.707:1
Rev ratio: 1.960:1
Final drive: 4.091:1
Top Speed: 310 kph
0-100 kph: 3.9 sec
0-200 kph: 10.5 sec
0-300 kph: 35 sec
Capacities: Fuel, 120 litres in twin tanks, 17 litres engine oil,
Colour: Donut King Pink
Interior: Italian white leather