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Description

OE-matched replacement hub for Borg-Warner/Tremec T5 transmissions. It locates the sleeve, keys, and springs to guide the blocker ring, delivering cleaner, more consistent 1–2/3–4 shifts with reduced notchiness. Built from case-hardened alloy steel with a broached internal spline and precision-finished dog teeth and faces, it maintains alignment and durability in rebuilds and restorations. Compatible with T5 WC/NWC units used across Ford and GM platforms—please confirm your transmission tag and target gearset before ordering.

Specification

Tooth Count : 32 / 30 teeth

Material: Alloy case-hardening steel, SCM415 / SAE 8620 or equivalent

Heat Treatment: Carburized & quenched

Surface Hardness: HRC 58–62

Manufacturing Processes: CNC turning/milling; internal spline broaching; dog-tooth finishing & deburring; locating and end faces precision-ground