This is a direct replacement 63" flat top roof cap.  You can convert earlier model 379 and 359 standup sleepers to a flat top with this cap.
 You can also make a true flat top truck by useing our true flat top cab roof cap along with the true flat top sleeper cap.

Dimensions: (W x L x H) 94 1/2" x 63" x 11 1/2"

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