Well, I guess that's why PSC was never on my short list of rocker guard choices. IMHO, it's a bad design as are the e-bay ones in question.
Personally, I'd steer clear of anything that mounts to both the tub and the body mount or frame. I also steer clear of anything that has a rail and doesn't have obvious methods employed to counteract those forces (internal bracing, backing plates, extra bottom side attachments, etc).
That's just my own preference from a combination of gut feel, and a few semesters of college physics/statics classes. Other people have other preferences such as looks and price, which is why you have lots of different options for a rocker guard.
'03 Bright Silver Metallic TJ Sport
BSMCCEP Club Member #45
Stock: 4.0L I6:5-speed:3.07 gears:D35 with Trac-Loc:15x7 Ecco wheels:Dual Top Group
Mods: 30x9.5 BFG A-T T/A KO's:JKS Quicker disconnects:Rock-It Man rocker guards:Jeep Medic oil pan/tranny skid:Kilby steering skid:Warn D30 diff guard:C4x4 D35 diff guard:Rusty's radiator guard:Skid Row LCA skids:SilverStar headlights and fogs:Hidden Hitch class III receiver:Old Realistic 40ch CB:2' Firestik II:Arizona Rocky Road tailgate antenna mount
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'06 Candy Orange Honda Shadow Spirit 750