3″ X 3″ Straight Crossmember Aluminum 82″ 3″ X 3″ Straight Crossmember Aluminum 58″ has been added to your order form. Checkout View Order Form $133.95 Any Crossmember Over 82″ Long. 3" X 3" Straight Crossmember Aluminum 82" quantity Add To Order Form SKU: 4815 Category: Crossmembers Related products 3″ X 3″ Straight Crossmember Aluminum 52″ $89.95 Part #:4426 Any Crossmember Under 58" Long. Add To Order Form 3″ X 3″ Straight Crossmember Aluminum 80″ $130.95 Part #:4425 Any Crossmember Over 80" Long. Add To Order Form 5 1/2″ Aluminum I Beam $23.95 Part #:216 Sold By The Foot. Add To Order Form 12″ Poly Keel Pad $15.95 Part #:1193 Fits 3" Wide Crossmembers. Add To Order Form