Big Bore Shock (2) Replacement Big Bore Shock Caps for Big Bore Shock sets HPI101115 & HPI101116 Can also be used as an upgrade for HPI107365 - BIG BORE SPORT SHOCK SET (97mm/2pcs) See below for kit compatibility. HPI indicates this will work with: Big Bore Shock Set (97mm/2Pcs) - HPI101115 Big Bore Shock Set (112mm/2Pcs) - HPI101116 Vorza Flux - HPI101850 RTR Vorza Flux HP - HPI103421 D8S - HPI106118 BIG BORE SHOCK SET (106mm/2pcs) - HPI109829 BIG BORE SHOCK SET (124mm/2pcs) - HPI109830 Big Bore Shock Set (97mm/2pcs) - HPI67296 Big Bore Shock Set (112mm/2pcs) - HPI67298 APACHE SCOPT - HPI107104 APACHE C1 - HPI107108