The K series replaced the aging WL and was the first street HarleY with a rear suspension.

1956 Harley-Davidson KHK Pictures

The 1956 Harley-Davidson KHK motorcycle was among the final flathead bikes Harley-Davidson would build.

The May 1956 cover of Harley-Davidson's The Enthusiast magazine featured Elvis Presley on his 1956 KH.

The KH carried a chrome upper fork cover.

The unit-construction flathead V-twin formed the basis for Harley's upcoming overhead-valve Sportster engine.

A 1956 ad featuring a KH depicts the entire

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