This Arrowmax AM-T4-308364 hardened shock shaft is made for use on XRAY T4 chassis. It is supplied as a direct replacement or upgraded shaft that emphasises long life and steady suspension behaviour without changing core shock dimensions or damping settings.
Built from spring steel with a hardened surface finish, the shaft reduces wear where it contacts seals and pistons, helping preserve a smooth stroke across repeated runs. Fitment targets T4-style shock assemblies; check that your shock top and bottom retainers match the shaft end profile before installation.
Installation tips: change shafts one at a time to keep oil and spring settings for comparison, inspect seals and pistons when swapping parts, and bench-test rebound and compression before track use to confirm the handling you expect.
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