SEM-18279 CHASSIS SHOCK ABSORBER58913008 HENDRICKSON 58913008L HENDRICKSON 659920 BUS THOMAS BUILT 1012390000 THOMAS BUILT 1013760000 DYNAMAX CORP 471700002991 DYNAMAX CORP 1013760000 FEDERAL COACH 471700002991 FEDERAL COACH 1396513MTM MC \ 85959Extended Length (in) 21. 16 Collapsed Length (in) 13. 57 Stroke (in) 7. 59 Bore 1 5 8" Dust Tube YES Recoil Cutoff YES Rebound (lb) 1021 Compression (lb) 123 Upper Mount Code ES150 Accessory Kit # n a Lower Mount Code ES150 Weight (lbs) 8. 1 Dust Tube Material Steel External Diameter Illustration G Package Contents 1 Shock Alliance Truck Parts ABP N32 O900084 Blue Bird 58913007 Blue Bird 58913011 Blue Bird 58913 011 Blue Bird 0085990 Blue Bird