hydraulic components built under licence by Rolls-Royce), at first on all four, but later on the rear wheels only. Four wheel disc brakes were specified, with ventilated discs added for 1972. The car originally used a wheelbase. This was extended to in 1974 and in 1979. The Corniche was different from other Silver Shadows in that it had exclusive half wheel covers with stainless steel trim (for brake cooling), a 3-spoke steering wheel with a wood rim, and Rolls Royce's first standard tachometer. The Corniche received a mild restyling in the spring of 1977. Difference included rack-and-pinion steering, alloy and rubber bumpers, aluminium radiator, oil cooler and a bi-level air conditioning system was added. Later changes included a modified rear independent suspension in March 1979. In March 1981, after the Silver Spirit had gone on sale, the Coupé version of the Corniche and its Bentley sister were discontinued. For 1985 there were also cosmetic and interior changes. Corniche models received Bosch KE/K-Jetronic fuel injection in 1977. This engine, called the L410I, produced approximately at just above 4,000 rpm for a top speed of . The Bentley version was updated in July 1984 with a new name, the Continental, revised and color-coded bumpers, rear view mirrors, a new dash and improvements to the seats. Production totaled 1090 Rolls-Royce Corniche Saloons, 3239 Rolls-Royce Corniche Convertibles, 69 Bentley Corniche Saloons and 77 Bentley Corniche Convertibles. The Corniche was popular with high income celebrities, with the possible exception of Jeremy Clarkson, who mocked James May's Corniche as "just a Ford Zephyr with a chrome nose" during a Top Gear competition between his Mercedes 600 Grosser and May's Corniche. Corniche II (1986-1989) The Corniche II name was applied for the United States market from 1986 and for other markets from 1988. Anti-lock brakes were added for 1988, but air bags would not be available until the Corniche III. Also new for 1988 were some detail changes to the interior. Later in 1988 there was also a new reverse warning lens type and pattern around the rear license plate, as well as newly designed seats and redesigned instrumentation. 1,234 examples of the Corniche II were produced. Corniche III (1989-1993) The Corniche III was introduced at the 1989 Frankfurt Motor Show with new alloy wheels, color-coded bumpers, a more advanced suspension system, air bags and MK-Motronic fuel injections. Minor interior changes included a revised dashboard, console and