Kit for Chevy Workhorse- DL1W Kit Includes 2 Outer Dually Valves, 2 Inner Dually Valves 7 1/8 Effective Length, 2 Oval Rubber Wheel Grommet Stablizers, & ThreadLock. $110.00 (+ $8.00 S/H) Kit for Chevy Workhorse- DL2W Kit Includes 2 Outer Dually Valves, 2 Inner Dually Valves 6 1/8 Effective Length, 2 Oval Rubber Wheel Grommet Stablizers, & ThreadLock. $110.00 (+ $8.00 S/H) SC1046 Double Seal Cap - Eliminates Need for valve caps on truck and motorhome valve stems, effectively reducing tire servicing time on fleet service operations. Rubber washer seals at valve mouth and an O'ring seals at extension mouth. Threads allow use of clip-on chucks. 3/4 effective length. $2.50 Each