Perrin Alternator Pulley Black Subaru STI 2007-2021 | PSP-ENG-119BK Vehicle Model_BRZ AEM Evo gears enable users

AEM Evo gears enable users to match cam timing with their vehicle's tuning state by advancing or retarding the cam profile in one-degree increments via true laser-etched markings

Upgrade your fuel system with the DeatschWerks DW300 high-flow fuel pump

Part #: IS-FS-SRS13

this catback is loud

The Takeda attack stage 2 CAI system with the pro 5R filter is a beast

Perrin Alternator Pulley Black Subaru STI 2007-2021 | PSP-ENG-119BK Vehicle Model_BRZ AEM Evo gears enable usersProduct Fitment: 2007 2021 Subaru STI Upgrade your Subarus accessory drive with the Perrin Alternator Pulley for your Subaru STI, designed to reduce rotational mass and sharpen engine response. The Perrin unit weighs just 0. 116 lbs a significant drop from the OEM pulleys ~0. 393 lbs meaning less parasitic drag and more usable power. Features: CNC machined from 6061T6 billet aluminum Available in anodized colors (black, red, blue) with laser etching