WT297-2.5-4, M20 & M21 1-4 HUB

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手動變速器

MITSUBISHI ZF ISUZU TOYOTA NISSAN HINO MAZDA EATON FORD HONDA GM DODGE Jeep Mercedes-Benz kia Ducato Volvo

變速箱齒輪組

AX15/R151 Type9 R35 D-MAX R154 R380 S-14 Y61 M20/M21/M22 M5R2 M5R1 NP205 T10 T5 S650 S542 NSG W56 W59 FS5W71 MT82

農業變速器齒輪

叉車 / 推高機齒輪

客製化齒輪

M20/M21/M22 3-4 Gear HUB

Description

The WT297-2.5A is a heavy-duty 3rd–4th gear synchro slider and hub set designed for GM Muncie 4-speed transmissions (1963–1974).
Featuring a torque-locking tooth design for smoother, more secure shifts at high RPM, it’s made from hardened alloy steel for excellent durability—ideal for rebuilds or performance upgrades.

Specification

Gear Type : External spline slider with straight internal spline

Tooth Count : 36 / 8 teeth

Material : Carburized alloy steel, SAE 8620 or SCM415

Heat Treatment : Carburized & quenched

Surface Hardness : HRC 58–62

Machining Process : Precision hobbing (external teeth) + CNC spline machining