To identify a C.E. Smith carpeted bunk guide, measure the board length and count its upright supports. The short 27660 uses a two-foot board on each side; the 27600 uses five-foot boards. Both are supplied as paired guide-on kits, but their supports and mounting arrangements differ.

Recognize each bunk guide by length

Both kits include a pair of carpeted bunk guides with mounting hardware for trailer frames up to 3 inches wide and 4-1/4 inches high.

MPN Carpeted board length Support arrangement Board material Height and lateral adjustment
27600 60 in (5 ft) Two mounting uprights per board Marine carpet over 2 × 4 wood 21-in guide height; up to 13-in outward adjustment per side
27660 24 in (2 ft) One mounting upright per board Marine carpet over 2 × 4 wood 21-in guide height; up to 13-in outward adjustment per side
Different from support bunks: these are side guide-on kits for keeping the boat aligned during loading, not replacements for the main hull-support bunks that carry the boat's weight on the trailer. Do not assume the two kits share all hardware.

How to match the installed hardware

  • Board length: measure the original carpeted board. The 27660 has 24-inch boards; 27600 uses 60-inch boards.
  • Supports: the short design has one upright under each board; the longer design uses two supports per board.
  • Frame clearance: both are designed around standard frames no more than 3 inches wide and 4-1/4 inches high with supplied hardware.
  • Hull shape: the carpeted boards can tilt. Position them to guide the boat without creating hard contact at a hull fitting or rail.
  • Mounting orientation: uprights can be fitted above or below the trailer frame. Confirm nearby lights, fenders and tie-down access before installation.

Exact C.E. Smith listings

Both product cards correspond to exact manufacturer part numbers. Review the listed condition before purchasing; Kelowna viewing and pickup are available by appointment.

For upright PVC guide-ons, see how to identify the 40-inch and 60-inch C.E. Smith post guides. For keel, bow and spool components, see the boat trailer roller identification page.

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