Grimmspeed Black Lightweight Crank Pulley WRX 2015-2021 / BRZ 2013-2018 / FR-S 2013-2016| 095023 vendor_Vibrant Always inspect rotors and replace

Always inspect rotors and replace or resurface if necessary

It comes in high-gloss

Terminal Type: Solid

Improved cooling efficiency

mandrel bent

Grimmspeed Black Lightweight Crank Pulley WRX 2015-2021 / BRZ 2013-2018 / FR-S 2013-2016| 095023 vendor_Vibrant Always inspect rotors and replaceYour factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a c compressor and alternator. It does this by way of a rubber belt and it does it's job well. The drawback to the factory pulley is that it's quite heavy. Reasons for this include less expensive manufacturing and using the pulley's mass to smooth out 'noise' in the accessory system (NOT to be confused with functioning as a harmonic dampener,