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Description

This 1st/2nd Gear Outer Synchro Hub is built for the Ford Type 9 (T9) manual transmission, installed between the mainshaft and synchro sleeve. Made from high-strength carburized alloy steel (SAE 8620/4320H) with HRC 58–62 surface hardness, it ensures durability and smooth gear engagement. Precision dog teeth and internal splines provide perfect fitment without modification.

Specification

Outer Structure : Synchro engagement teeth with chamfered (angled) design

Inner Structure : Precision-machined internal splines; fits synchro sleeve and mainshaft

Material : SAE 8620 or SAE 4320H

Heat Treatment: Carburized & quenched for enhanced strength and surface hardness

Manufacturing Process : Precision gear hobbing + CNC spline cutting

Surface Hardness : HRC 58–62 (for high wear resistance)

Tooth Count : 30/31T

Compatible Vehicles :
Fits Ford Type 9 (T9) manual transmissions, including Sierra, Capri, Escort, Caterham, and other classic or modified applications.