20 firetech @firetech Low Profile Squash Ball Feet for Prusa MK4/S, MK3.9/S, MK3.5/S & i3 MK3/S/+ 130 4.9 418
9 Pied Piper @PiedPiper_234472 Z Orbiter V2.0 X carriage for KalleKnall Linear Rail Upgrade 13 4.7 45
19 MW @MW_3D X-axis upgrade with linear rail, belt tensioner and bearing clamping - Prusa MK3 / MK3s / MK3s+ 185 5 580
19 KalleKnall @KalleKnall Prusa MK3 / MK3S / MK3S+ X-Axis Linear Rail Guide Upgrade - updated (Bondtech Extruder) / MK3S+ Tensioner 519 5 2,752