'Almost as soon as these new (9hp) models arrived on the scene, interest was shown in the engine by J G Parry-Thomas, who joined forces with Reid Railton to produce an 1,100cc racing chassis which Railton drove to undreamed-of success at Brooklands.

Later, after Thompson and Taylor had developed the chassis, Riley put into production the 9hp Speed Model, which quickly became a legend as the Brooklands Nine.

It was a Brooklands Nine which won the Rudge Whitworth Cup at Le Mans in 1934.' - As Old As The Industry: Riley 1898 - 1969, David G Styles.

Introduced in 1926, Percy Riley's 9hp, 1,087cc, twin-camshaft four was an outstanding engine design by any standards, various versions powering Rileys until 1957.

Clothed in stylish bodywork by Stanley Riley, the Coventry marque's pre-war offerings were among the world's finest small-capacity sporting cars, none more so than the rare and highly desirable Brooklands Speed Model, 110 of which were made between 1928 and 1932.

The production B...