DB4, DB5 & DB6
The 3.7 L (3670 cc/223 in³) engine of the DB4 was designed by Tadek Marek and features in different guises throughout the DB range.
Aston Workshop are responsible for more restorations and engine rebuilds of the DB range than any other company and we have used our considerable expertise to develop the upgrades available here.
Fast road engine Enhancements
Discover what the main elements of a fast road engine involve...
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Reliability, Flexibility & Refinement
The design of the engine provides limited scope for major refinement improvements, but there are upgrades that would be of benefit in any engine of this type.
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The Ultimate (the 4.7 litre engine)
It is possible to safely increase engine size by fitting the enlarged liners of a 4.2 litre engine and by fitting a crankshaft with a slightly larger stroke to give 4.7 litres.
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Complimentary Upgrades
Complimentary transmission, suspension, brake and wheel upgrades
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