5 1/2″ Aluminum I Beam $23.95 Sold By The Foot. 5 1/2" Aluminum I Beam quantity Add To Order Form SKU: 216 Category: Crossmembers **Price Is Per Foot** Related products 76″ Aluminum “V” Crossbar $135.95 Part #:4500 Fits Up To A 76" Wide Frame Width. Add To Order Form 58″ Aluminum “V” Crossbar $107.95 Part #:4813 Fits Up To A 58" Wide Frame Width. Add To Order Form 3″ X 3″ Straight Crossmember Aluminum 52″ $89.95 Part #:4426 Any Crossmember Under 58" Long. 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