3″ X 3″ Straight Crossmember Aluminum 58″ 4 1/2″ Aluminum I Beam has been added to your order form. Checkout View Order Form $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 8″ Aluminum I Beam $49.95 Part #:219 Sold By The Foot. Add To Order Form 7 1/2″ Aluminum I Beam $32.95 Part #:218 Sold By The Foot. Add To Order Form 105″ Aluminum V Crossbar Extended Step $162.95 Part #:1185 Extends Past The Frame For Extra Fender Support. One Front And One Rear Of The Fender. Up To 105" Long. Add To Order Form 76″ Aluminum “V” Crossbar $135.95 Part #:4500 Fits Up To A 76" Wide Frame Width. Add To Order Form