Launched at the 1932 London Motor Show, the K-Type replaced the F-Type Magna but having at first a slightly smaller capacity engine it took the name Magnette.
The brakes were cable operated with 13-inch (330 mm) drums made of "Elektron", a light magnesium alloy, with shrunk in steel liners.
[citation needed] Suspension by half-elliptic springs and Hartford friction shock absorbers all round with rigid front and rear axles.
In late 1933 they were joined by the KD with a larger 1271 cc capacity by returning to the F-Type stroke of 83 mm but with the improved cylinder head and timing power was up to 48.5 bhp (36.2 kW).
This was the original K having the long chassis and was first shown with the saloon body, KA engine and pre-selector gearbox all costing £445, quite expensive at the time.
George Eyston and Count Lurani and scoring an outright victory (on handicap) in the Ulster RAC Tourist Trophy (TT) race where the car was driven by Tazio Nuvolari at an average speed of 78.65 m.p.h.
The K3's greatest international success came in the 1934 24 Hours of Le Mans, when chassis # K3027 finished 4th overall and won the Index of Performance, as driven by Roy Eccles and C.E.C.
The K3 attracted the great names of the racing world – Sir Tim Birkin of Bentley fame, Whitney Straight and 'Hammy' Hamilton.