The XRAY X4 Composite Gear Differential Case combines a rugged composite build with a 38T pulley to support consistent power delivery. This component is manufactured to fit the XRAY #309403 X4 Gear Differential so you get correct engagement and dependable operation.
Drain holes accommodate M2.5x8mm screws allowing excess oil to evacuate and helping keep oil levels steady. The updated case centers the rear belt path to improve driveline consistency and forward traction, a useful upgrade for pilots chasing stable handling.
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