How To Install Rear Roller Bar on Vantech H1 Ladder Racks Originally posted June 12, 2024 | Last updated August 6, 2024 | Posted in Install Videos Tags: ChevroletExpressGMCInstallationLadder RacksSavanaVantechVideo Products Featured In This Video Sale! Vantech H1 Roller Bar Extension System $219.00 Original price was: $219.00.$175.20Current price is: $175.20. In Stock. Add to cart