This are two (2) replacements for the HPI Racing Vorza Flux Models Input Shaft Cups (2) w/ screws.
 
Works with the SpeedTek RC Spool Shaft ONLY!!!
 
Features:
-Hardened C2 Tool Steel
-CNC Machined
-Laser Etched
 
Includes:
1 x SpeedTek RC HPI Racing Vorza Flux Models Steel Diff Cups (2) w/ screws (JJ Customs Edition)