The AC Ace was based on a sports racing car designed by John Tojeiro. It was equipped with a four-speed independent suspension and sleek bodywork reminiscent of contemporary Ferrari Barchettas. The Bristol 'six' became available in 1956, which upgraded the standard Ace to 'Ace Bristol' specifications. This gave the 103 horsepower engine a boost in power to 125 in its ultimate D2 specification.
The Bristol-powered Aces did well in competition, winning three successive SCCA E-Production championships between 1957 and 1959, followed by two D-Production championships in 1960 and 1961. It scored second in class at LeMans in 1957 and 1958 and a sterling class victory and seventh overall in 1959.
This AC Ace Bristol, chassis number BEX1090, is a left-hand example that was originally finished in white with a black-trimmed cockpit. It came equipped with factory-original options that included a heater, oil cooler and oil-temperature gauge. Charles Kaleta purchased it directly from the AC works for his son Charles J., who planned to study in Switzerland. Charles later brought the car to the United States. It was sold in 1962 to a University of Chicago professor. This was followed by several more owners before eventually coming into the care of a AC marque specialist named Jerry Bensinger. At that time, it required a complete restoration, though it remained in complete and unmolested condition.
During the restoration process, the engine was completely disassembled, but the body was not removed form car car's tubular chassis. All aluminum body panels were repaired or replaced. Once completed, the car was refinished in dark blue and re-trimmed with black upholstery.
The restoration process was completed in the late 2000s.
In 2011, this car was offered for sale at the RM Auction sale in Scottsdale, Arizona. It was estimated to sell for $175,000 - $225,000. As bidding came to a close, the car had been sold for the sum of $217,250 inclusive of buyer's premium.