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TR Final Gear Drive 4.43 for Subaru BRZ/Scion FR-S

Tomioka Racing


TR Final Drive Gear Set raises the overall gearing of Subaru BRZ & Scion FRS. It enables the modification of the final gear ratio to better tune your performance car. Final Drive gear for the Subaru BRZ & Scion FRS come in 4.43 or 4.68 final ratio which is suitable for users who plan to keep their Subaru BRZ / Scion FRS naturally aspirated. The higher the final gear ratio over stock will increase the wheel torque across all RPM range. This modification is one of the best return if you want to raise your torque on the FA20 engine. TR transmission components are designed to withstand the extreme on and off throttle shock loads. By cutting to exacting tolerances from special alloy materials and put through heat treatment with our own proprietary process, TR final drives are the benchmark performance gears. Through the use of state of the art 3D modeling CAD software with finite element analysis, our optimized gear tooth profile helps to increase tooth strength. This ensures reduced friction and minimal parasitic loss. Our gears are strong enough to handle the shock loads encountered during race use they are also durable enough to handle the variable loads encountered during day-to-day street driving.


Alloy Steel Construction

4.43 or 4.68 Ratio

Kit Contents

Ring Gear

Output Shaft

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