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New Venture NV4500 5th Speed Countershaft Gear
Description
Purpose-built countershaft 5th gear for the NV4500 5-speed. Precision-hobbed helical teeth with edge relief and ground journals/faces deliver rigid mesh and low NVH in overdrive. Produced from SCM415/SAE 8620 alloy case-hardening steel and carburized & quenched to HRC 58–62, it offers excellent wear and pitting resistance. OE-matched geometry ensures a true drop-in during rebuilds and restores highway efficiency and shift quality.
Specification
Tooth Form: Helical
Tooth Count: 51T
Material: Alloy case-hardening steel, SCM415 / SAE 8620 (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC turning/milling; precision hobbing; deburring; journals & locating faces precision-ground
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Model：NV17318
