The award winning Whispbar S54 base rack employs 2 adjustable flush bars, 1 x 920 to 1020mm (36 to 40 inches), and 1 x 980 to 1080mm (38.5 to 42.5 inches), giving your vehicle a quiet, solid, OEM style roof rack. The S54 from Prorack is preassembled.

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