SG-B071-GS5 — 5th Gear Set (Pro Series, 0.71 Ratio, LS)

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SG-B071-GS5 — 5th Gear Set Pro Series 0.71 Ratio LS

Description

The SG-B071-GS5 is a Pro Series 0.71:1 overdrive 5th-gear pair engineered for lower cruise RPM and improved fuel economy with robust street/endurance durability. Supplied as a matched mainshaft and countershaft gear set, the precision-hobbed helical profile with edge relief and ground bore/faces ensures quiet, rigid mesh and smooth 4→5 / 5→4 shifts. Built to OE-level tolerances for true drop-in fit; best results when serviced with the 5/R synchronizer assembly.

Specification

Ratio: 0.71:1 (Overdrive)

Tooth Form: Helical

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/edge-relief; bore & locating faces precision-ground