Cusco Driveline Components is designed for the factory Scion FR-S / Subaru BRZ 6 speed manual transmission, the close ratio gear set is ideal for keeping the power and torque band at its most effective region. The kit consists of a close ratio1st and 2nd gear which prevents engine revolution drop during up-shifting to keep the RPMs inthe optimal range. Combined with a lower ratio 4.566 final gear, this is the most powerful modication that can be done to extract the full potential of the naturally aspirated machine.
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