Radius Arm Drop - 2023+ Super Duty 4.5" Lift Westin 60556 Crew w/Std

60556 Crew w/Std

Hook-and-Loop fasteners attach upper and lower doors together

Hammer Black Powder Coat

Fully-illustrated installation guide

CK or Non CK: These bulbs are conveniently compatible with both CK and non-CK Circuits

Radius Arm Drop - 2023+ Super Duty 4.5" Lift Westin 60556 Crew w/StdFits 2023+ Super Duty F250 F350 F450 F550 Only It will make the castor 5 degrees + 1 while at 4. 5" of lift. Lower arm angle increases ride quality. 4 points of mounting contact to improve rigidity an industry first. Overlap welded for strength. S&B 4. 5" Radius Arm Drop Overview. Click to watch the overview video for the S&B 4. 5" Radius Arm Drop.