SMART REST - DOOR PRO II - SKU: SRDPII Parts Available Mini MaXbox SKU: Mini MB $ 18.00 .vm-chzn-select {width:100% !important} 1 + $18 Spacer SKU: SPACER $ 8.80 .vm-chzn-select {width:100% !important} 1 + $8.8 //Vehicles like Land Cruisers and Rovers have a higher seat to sill ratio. This may require a spacer or a MaXbox II for adequate elevation. The spacers and/or MaXbox II are also available Holds up to greater speeds due to magnet upgrades