This Arrowmax AM-NT1-330002 hard clutch spring is an RC-scale replacement part intended for XRAY NT1 clutch assemblies. Manufactured from spring steel, it provides a firmer spring rate compared with softer options, helping to alter engagement characteristics without changing clutch shoes or bell components.
Use this spring when adjusting clutch engagement for track conditions or driver preference. Its role is tuning: increasing initial bite and reducing slip under load at the cost of a heavier engagement feel. The part is compatible with NT1-series clutch setups that accept standard clutch springs for that chassis.
Installation considerations are straightforward for experienced model tuners: ensure the spring seats correctly in the clutch assembly and verify clearance with the bell and shoes before testing. Perform controlled break-in runs to confirm engagement behavior and to fine-tune spring choice against other clutch components.
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