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£ 60,000

1958 Jaguar XK150 S 3.8-Litre Competition Roadster - SOLD

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To be offered for auction without reserve by Bonhams at the 2022 Goodwood Festival of Speed. 

1958 Jaguar XK150 S 3.8-Litre Competition Roadster
Registration no. DSL 584
Chassis no. S 83033 DN

• Built as a 3.4-Litre XK150 S and delivered new to the USA
• Developed by some of this country's leading XK Jaguar specialists
• Engine built by Trafford Competition Engines
• Aluminum body
• A front runner for several years in the Jaguar XK Championship
• Compliant with Masters and JEC XK Class C regulations


Chassis number 'S 830033 DN' was built in February 1958 and exported new to Jaguar Cars New York, USA, finding a home in Nashville, Tennessee. In more recent times the car has been developed by some of this country's leading XK Jaguar specialists over a 10-year period. Compliant with Masters and JEC XK Class C regulations, 'DSL 584' is very competitive race-car and has been a front runner for several years in the Jaguar XK championship. It is welcomed by numerous rally and race series organisers being the only racing XK 150 Roadster.
The current engine was rebuilt in 2007 by Jaguar C-Type and D-Type specialists Trafford Competition Engines. This engine cost in excess of £16,000 and produces 307bhp at 6,000rpm on a compression ratio of 11:l. A full engine specification with invoices and a set of photographs of the rebuild will be made available to the purchaser.

Weight has been reduced to 1,260kg by the extensive use of aluminium: body panels, long-range fuel tank, radiator, oil catch tank, expansion tank and seats, the latter made by Classic Antos of Kings Langley. Other notable features include the following: electric water pump, Kenlowe fan, race alternator, Aeroquip brake lines, up-rated wheel hubs, lightweight reduction starter motor, lightweight battery, Mallory twin-point distributor, and on-board Lambda sensors with air/fuel meters. There is also an Anderson jack plug for external starting, fitted by Racing Green Cars of Ash Vale who have maintained the car over the last five years.

The four-speed close-ratio Jaguar gearbox has been rebuilt by Alan George Transmissions. Built by BPA Engineering Ltd of Whitchurch, the rear axle and differential incorporate Hewland ramps and the optimal final drive ratio. The front and rear dampers were specially designed by Harvey Bailey Engineering.
The interior has a built-in roll cage, two race harnesses, plumbed-in fire extinguisher and an electrical cut-off switch with internal and external controls, while the Monza fuel cap has an internal lock and there is also an AMB transponder - all FIA approved. Running gear modifications include conversion to later-model brake callipers, the fitting of anti-tramp arms, and geometry set up by CKL Developments of East Sussex.

Also included in the sale is a tonneau cover, folding soft-top, side windows, and a tailored cotton dust cover by Classic Additions. The XK also comes with a substantial history file, MoT to 31st August 2022 and a Jaguar Daimler Heritage Trust Certificate.

Also available by separate negotiation are four extra competition 6Jx15" 72-spoke chrome wire wheels for wet and dry tyres; the original bumpers with front spotlights; overdrive gearbox; original radiator; and original front brake callipers.

Estimate £60,000 - £90,000


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Jaguar, XK, Historic