3″ X 3″ Straight Crossmember Aluminum 52″ 3″ X 3″ Straight Crossmember Aluminum 76″ 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 10″ Aluminum I Beam $76.95 Part #:4812 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 52″ Aluminum “V” Crossbar $99.95 Part #:4497 Fits Up To A 52" Wide Frame Width. Add To Order Form 3″ X 3″ Straight Crossmember Aluminum 58″ $97.95 Part #:4223 Any Crossmember Over 58" Long. Add To Order Form