Built in house at WCFab our traction bar brackets weld on to the bottom of the axle tube and weld to the frame on the front end. Grade 8 hardware connects the bars to the mounts on the frame and axle. Additional Attributes: GTIN: Material: Steel Universal Or Specific Fit: Universal Finish: Raw Prop 65 Y/N: Y Extended Information: Emissions : Emissions Compliance Exempt Life Cycle Status: Available To Order Packaging: Quantity of Each: 1 Package UOM: EA Dimension: 20 x 8 x 8 inches Weight: 10 PG