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The PERRIN lightweight crank pulley for 2019–2021 Subaru WRX, 2016–2018 Forester, and 2015–2019 Legacy applications is a reduced-mass replacement crank pulley offered in blue. It is intended as a direct-fit, lightweight option for the listed Subaru engines, providing an OEM-replacement form factor while reducing rotating mass in the accessory drive for users seeking a lighter pulley.
PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Blue
