3″ X 3″ Straight Crossmember Aluminum 58″ $97.95 Any Crossmember Over 58″ Long. 3" X 3" Straight Crossmember Aluminum 58" quantity Add To Order Form SKU: 4223 Category: Crossmembers Related products 10″ Aluminum I Beam $76.95 Part #:4812 Sold By The Foot. Add To Order Form McClain Frame To Crossbar Support $4.95 Part #:2332 Used With The 4 1/2" And 5 1/2" Tall I Beam. Add To Order Form 3″ X 3″ Straight Crossmember Aluminum 80″ $130.95 Part #:4425 Any Crossmember Over 80" Long. Add To Order Form 105″ 3″ X 3″ Aluminum Straight Crossbar Extended Step $159.95 Part #:3608 Extends Past The Frame For Extra Fender Support. One Front And One Rear Of The Fender. Up To 105" Long. Add To Order Form