For builders focused on consistent on-track performance, the Kyosho UB040 Short Steel Differential Shaft Set is a straightforward upgrade. Made for the Ultima RB7.5 family, these shafts improve strength and ensure accurate alignment under load.
The Kyosho UB040 diff shaft set uses hardened steel to resist wear during club racing and repeated running. This component suits enthusiasts replacing aged parts or those wanting a tougher drivetrain without fuss.
Matched to the Ultima RB7.5 layout, these steel shafts are dimensioned for easy swap-in installation. Their rugged construction helps reduce breakage and keeps maintenance intervals longer.
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