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Installation Instructions – 4081S
Step 2 – Locate Mount Holes
Locate the 2 rear most factory bosses and drill out using a 5/16” drill bit.
Approximately 16‐15/16” apart from each other.
Skip the next 2 bosses, then drill the forward 2 (@ 62” and 78.5” from the rear most hole).
Some roof heights and wheelbases will vary, your mounting rail should allow for the rack to be
mounted approximately between 14” to 18” from the rear of the van and have about 40”
between the mounting rails.
