1–2 Synchronizer SliderSleeve
Description
Purpose-built 1–2 synchronizer sleeve for the Aisin AX5 and Toyota G52 5-speed manuals. Precision-finished dog teeth with chamfers and ground faces provide consistent blocking torque and crisp 1↔2 engagements, reducing shift shock and gear rattle. Built to OE geometry and tolerances for a true drop-in during overhaul.
Specification
Tooth Form: Synchronizer dog teeth (non-drive)
Tooth Count: 37/33T
Material: Alloy case-hardening steel, SCM415 / SAE 8620 (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC machining; internal spline broaching; dog-tooth finishing & deburring; faces precision-ground
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Model:S-1194, 83500555