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AC Cobra 427 SC Semi Competition

1966 · 3,200 miles · Manual · Blue

£295,000

Listed today at Modern & Historic, Henley-on-Thames. Last checked today.

Key facts

Year
1966
Mileage
3,200 miles
Gearbox
Manual
Engine
7.0-litre side-oiler V8
Power
550 bhp
Fuel
Petrol
Drive
RWD
Body
Convertible
Colour
Blue
Generation
Mk III (427 coil-spring chassis)

About this car

This is a 427 SC Cobra described as a continuation car, offered with race papers for Appendix K historic competition. It is a Semi Competition car, finished in blue and shown with 3,200 miles.

The side-oiler 427 is in Appendix K specification and makes 635 bhp with the racing cam. The current cam detunes it to 550 bhp, and the racing cam comes with the car. The page also lists a rare high-rise inlet manifold and says the engine has been stroked from 427 to 511 cubic inches (8.1 litres), with 640 lb ft of torque on the race cam.

It comes with a lot of spares: a second engine, a fully reconditioned 1966 gearbox, a spare set of gearbox internals and a higher-output cam. The seller says the original engine has a cracked block and its pistons need new rings. The original engine is stripped down, and a spare original block is included. The car is pitched at fast road use or historic racing, and it is featured in Trevor Legate's book Cobra: The First Forty Years.

Written by Vertar from Modern & Historic’s listing. Check the details with the dealer before you buy.

Performance

The maker’s official figures for this model, not measurements of this car (Only the engine layout is given: Ford 427 cu in (6,997 cc) FE V8, front-mounted, rear-wheel drive. No verifiable AC or Shelby factory figures for power, weight or performance, so these are null. Commonly quoted figures such as 485 bhp come from period magazines and later sources. S/C cars were roughly 29–35 unsold competition chassis converted for road use, not an announced limited run.).

Engine
6,997 cc, 8 cylinders
Engine position
Front-engined
Induction
Naturally aspirated

Price history

£295,000 since it was listed on 5 November 2026. No changes yet.

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The dealer

Modern & Historic

Henley-on-Thames

Classic and modern performance car dealer in Henley-on-Thames, Oxfordshire, dealing in cars such as Ferrari, Porsche, Lamborghini, Jaguar E-Type and AC Cobra.

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