3″ X 3″ Straight Crossmember Aluminum 52″ 3″ X 3″ Straight Crossmember Aluminum 80″ has been added to your order form. Checkout View Order Form $89.95 Any Crossmember Under 58″ Long. 3" X 3" Straight Crossmember Aluminum 52" quantity Add To Order Form SKU: 4426 Category: Crossmembers Related products 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 58″ $97.95 Part #:4223 Any Crossmember Over 58" Long. Add To Order Form 82″ Aluminum “V” Crossbar $143.95 Part #:1183 Fits Up To A 82" Wide Frame Width. Add To Order Form 52″ Aluminum “V” Crossbar $99.95 Part #:4497 Fits Up To A 52" Wide Frame Width. Add To Order Form