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Nissan Y61 FS5R50B Transmission 5-Speed Gear Set

Description

This gear set is designed for vehicles equipped with the FS5R50B 5-speed manual transmission. It includes the input shaft, main shaft, 1st to 5th gears, and synchronizer components, all manufactured from SAE 8620 or SAE 4320H carburized alloy steel. The components undergo carburizing and quenching heat treatment, achieving a surface hardness of HRC 58–62 for exceptional wear resistance and high torque capacity.

Featuring precision-machined helical gears, the set ensures smoother gear engagement, reduced noise, and improved transmission efficiency. Ideal for heavy-duty use, off-road upgrades, or restoring transmission performance in demanding environments.

Specification

Gear Type: Helical Gear

Helix Direction: Right-hand

Material: SAE 8620 or SAE 4320H

Heat Treatment: Carburized & quenched

Surface Hardness: HRC 58–62

Manufacturing Process: CNC precision hobbing and gear grinding

Included Components : 1st to 5th gear sets, Input shaft, Main shaft, Synchro Hub

  • Model:Y61 SET