Birkin S3 IRS Specifications
Engine	Ford Duratec 16 valve 2.0 L
	Bore	87.5 mm
	Stroke	83.1 mm
	Compression rate	10.8:1
	Valves	16
	Camshafts	2 DOHC
	Firing order	1:3:4:2
	Power (Individual throttle body intakes,         Birkin exhaust, stage 2 cams)	215 hp @ 6800 rpm
	Torque	TBA
	Capacity	2000cc
Performance	0-60 MPH	4.0 sec
	Maximum speed	140 mph, approx.
Transmission	5-speed Manual
	Ratios	1st - 2.50:1
		2nd - 1.81:1
		3rd - 1.26:1
		4th - 1.00:1
		5th - 0.87:1
		Rev - 3.87:1
	Final drive ratios	3.89:1
		4.11:1
		4.44:1
Clutch	216 mm single dry plate hydraulic
	Annular design
Brakes	Dual circuit hydraulic
	Alloy pedal box, position adjustable
	Adjustable brake bias
	Fluid level warning system
	FRONT
	257 mm diam. ventilated discs
	with 4 pot alloy calipers
	REAR
	229 mm diam solid discs with single pot alloy calipers and handbrake mechanism
Suspension	FRONT and REAR
	Independent, elliptical double wishbones,adjustable anti-roll bar
	DAMPERS
	Coil spring over adjustable hydraulic dampers
Wheels & Tires	15" / 7" alloy wheels
	195 / 50 / 15 tires; spare optional
Fuel Tank	Capacity	40 liters
Instrumentation	Speedometer, tachometer, ammeter, oil pressure, temperature and fuel gauge
Interior	Bucket seats, adjustable driver's seat, black vinyl upholstery
Standard Equipment	Roll bar, cycle type front fenders, heated windscreen, side mounted rear view mirrors
Color	Aluminum body with painted nose, fenders & mudguards
General Dimensions	Length	3500 mm
	Width	1575 mm
	Height	1060 mm (to roll bar)
	Front track	1410 mm
	Rear track	1410 mm
	Wheel base	2225 mm
	Ground clearance	110 mm

The following Manual and Owner's Guide refer to the Birkin S3 Live Axle version:

Birkin Build Manual