5th Gear Mazda BT50
Description
Dedicated overdrive 5th gear for the Mazda BT-50 manual gearbox. The spur-gear form minimizes axial thrust, improving durability during highway cruising. Precision-cut teeth with edge relief and ground bore/faces provide quiet, rigid mesh and smooth engagement with the 5/R synchronizer. Built to OE geometry and tolerances for a true drop-in during rebuilds.
Specification
Tooth Form: Spur
Tooth Counts: Gear 27T / clutching teeth 38T (27×38)
Material: Alloy case-hardening steel SCM415 / SAE 8620 (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC machining; precision tooth cutting; dog-tooth finishing & deburring; bore & faces precision-ground
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Model:S5A1-17-730YA