Kohler K-301 Mode D'emploi page 3

Before You Begin (cont.)
Leave the protective sleeve on the spout supply tube until spout
installation. This is an O-ring sealing surface which may be
damaged when unprotected.
Instructions are given for installations with 8" (20.3 cm) centers.
For wider installations, adjust all roughing-in dimensions and
copper tubing lengths accordingly.
Kohler Co. reserves the right to make revisions in the design of
faucets without notice, as specified in the Price Book.
Kohler Co. 3 113969-2-AB