Rear Differential - High Volume Diff Cover - Cusco - GR86, GT86 & BRZCusco Rear Differential High Volume Diff Cover for GR86, GT86 & BRZ Available in Cusco Blue Alumite or Silver The Cusco rear differential cover is a simple bolt on modification which increase oil capacity by 400cc. The internal baffle is enlarged for higher G forces The design has integrated fins to aid cooling and also 2 x M16 x 1. 5mm ports for the addition of an additional differential oil cooler.
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