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Description

This 3rd speed gear is designed for Borg-Warner T10 / Super T10 4-speed transmissions, featuring a 36/28 tooth configuration. It is part of the S30 ratio set (approx. 2.88:1 first gear), providing a balance between acceleration and highway cruising. Commonly used in 1970s–80s performance vehicles such as Camaro, Firebird, and Mustang. Built from high-strength carburized alloy steel and precision-machined for durability and OE fitment.

Specification

Gear Teeth : 36 / 28 teeth

Gear Type : Helical

Ratio Code : S30 (Approx. 2.88:1 1st gear)

Bore Type : Smooth bore with key slot (for synchronizer engagement)

Material : SAE 8620 or SCM415

Heat Treatment : Carburized & Quenched

Surface Hardness : HRC 58–62