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New Venture NV4500 5th Gear Synchronizer Clutching Cone Ring
Description
The NV18921 is the clutching cone/teeth ring used on the NV4500 5-speed’s 5th gear. A precision-ground cone and faces with edge-relieved dog teeth deliver stable blocking torque and clean 4→5 overdrive engagement, improving shift feel and NVH. Built to OE geometry and tolerances, it installs as a true drop-in during rebuilds.
Specification
Tooth Form: Synchronizer dog teeth (non-drive)
Tooth Count: Per OE specification
Material: Alloy case-hardening steel, SCM415 / SAE 8620 (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC machining; dog-tooth finishing & deburring; cone and faces precision-ground
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Model：NV18921
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