Kyle Busch laid down the fastest lap in Friday's Sprint Cup Happy Hour at Kentucky Speedway. Busch, who won Thursday night's Truck Series race, drove the No. 18 JGR Toyota around the 1.5-mile oval at 182.803 mph to top the speed chart.

Juan Pablo Montoya clocked in second fast with a lap at 182.500. Kurt Busch was third quick with Kasey Kahne and Jimmie Johnson rounding out the top-five in final practice.

Jimmie Johnson led Thursday's opening practice with a fast lap of 175.879 mph while Kyle Busch's lap at 178.849 mph was best in the second session.

Sprint Cup qualifying for Saturday's inaugural Quaker State 400 begins at 5 p.m. ET today.

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