Aston Butterworth
| Based in: Frimley Founded: 1952 (active 1952) Principal: Bill Aston |  |
The Aston Butterworth cars were a combination of Bill Aston's, Cooper- inspired chassis with Archie Butterworth's flat 4 air-cooled engine, more accurately referred to as an AJB unit.
Only two cars were built, the first for Aston himself and both were raced privately.
Cars
| Car designation | Race years |
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