2017-2022 Super Duty Waldoch Ultra Topper: 69FS17-U London tie in kit Wall thickness: 1

Wall thickness: 1

3-stage planetary gearing with 218:1 ratio

Fits with single and dual exhaust

Requires Running Board Mount Kit PN[27-1825]

2017-2022 Super Duty Waldoch Ultra Topper: 69FS17-U London tie in kit Wall thickness: 1Waldoch Ultra Topper for 2017 2022: Ford Super Duty All Cab Sizes Standard 6' 9" Bed View Fitment GuideThe W U offers a classic yet stylish design with 1 3 sliding side windows and a dependable recessed frame rear door. Sturdy double T Handles provide secure access to the truck bed. In addition to a wide range of standard features, the W U offers approximately 30 additional options that allow you to order a topper that fits your needs. Standard