The Arrowmax AM-T4-308364 hardened shock shaft is intended for XRAY T4 chassis as a durable replacement or upgrade. It concentrates on improving shaft longevity and consistent suspension response rather than altering shock travel or damping hardware.
Spring steel construction combined with surface hardening reduces wear where the shaft passes through seals and pistons, helping to maintain smooth suspension travel through many sessions. The part is made for T4-style shock assemblies; verify the shaft end geometry and retainer compatibility before fitting.
Fitment guidance: change shafts one at a time to keep oil and spring settings for comparison, inspect pistons and seals during the swap, and carry out bench tests for rebound and compression before you run on the circuit.
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