Cusco Close Ratio Transmission Gears Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 vendor_K-Sport Standard-size valves = no machining

Standard-size valves = no machining required in most OEM rebuilds

Part Number: KLC26

ISR Performance Intake Kit - SR20DET S13 or Z32 MAF

It could make all the difference during your next dyno session

Cusco Close Ratio Transmission Gears Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 vendor_K-Sport Standard-size valves = no machiningPart #: 965 028 A 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