Perrin Alternator Pulley Blue - 2007-2021 STI | PSP-ENG-119BL
SKU: PSP-ENG-119BL$34.80 $58.00
The Subaru OEM Alternator Pulley may fail over time. This failure can lead to knocking noise, battery charging issues, belt wear and case belts to become extra jumpy. This Perrin pulley removes this future failure point.
This Perrin pulley weights just 0.20 lbs which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all increased with this easy to install part.
Designed to match the Perrin Crank Pulley, the precision-machined . . . Show More >
