Long Arm Conversion Crossmember Is Dramatically Stronger. Triple The Thickness Of The Factory Crossmember. Mounting Point For The Front Rubicon Express Radius Control Arms. Crossmember Comes Complete With All Mounting Hardware. And Reinforcement Brackets To Support Factory Mounting Points. Package Dimensions: 18 L x 1.9 H x 4.1 W (inches) Package Weight: 9.99 pounds Country of Origin : China Part Number: RE4521 MODEL NO - RE4521