Cusco Final Drive Gear Set (4.556 : 1), 2013-2020 BRZ/FR-S/86

Precision manufacturing technology that roots from the production of OEM gears for high-end sportscars and various full race platforms. The same gearsets are currently used in professional competition all over the world. Use Japan's best technology to your competitive advantage!
Optimization The gears are designed and tested per each vehicle application characteristics and are also able to withstand the stress of a tuned race driveline.
Materials Various alloy steels are used for each type of gearset from SCR, SCM and SNCM to target the best interest of its usage. As an extra measure, heat treatment is performed to prevent shape distortion.
Heat Treatment A cut sample from each lot is taken and undergoes strict inspection procedures such as the results of the heat treatment. This is performed ritually, for the sole purpose of quality control.
Surface Finish Each gear tooth is nished (precision shaving) to provide strength and additional noise prevention. Heat treatment as well as WPC can be applied to areas that have the most stress applied.

Included:
• Cusco Final Gear Set (4.556 : 1), 2013-2020 BRZ/FR-S/86

Features:
• Ring & Pinion Final Gear Set
• Final Gear Ratio 4.556:1 (OE Spec. 4.87:1)
• Ring Gear x 1, Pinion Gear x 1 (Toyota Genuine Parts)