Perrin Alternator Pulley Blue Subaru STI 2007-2021 | PSP-ENG-119BL vendor_Turbo XS OEM-Quality Construction:

OEM-Quality Construction:

Black carbon-like pattern

high-performance look to Scion FR-S

Weight Savings of Over 75%

(1) Noble Hella Horn Bracket and mounting hardware

Perrin Alternator Pulley Blue Subaru STI 2007-2021 | PSP-ENG-119BL vendor_Turbo XS OEM-Quality Construction:Upgrade your Subarus charging system and performance with the PERRIN Alternator Pulley for EJ Engines. Designed specifically for the 2007 2021 Subaru STI, this precision CNCmachined pulley reduces rotational mass while maintaining OEM belt compatibility. Key Benefits & Features Reduced Rotational Mass: At just 0. 116 lbs, this pulley is significantly lighter than the stock alternator pulley (~0. 393 lbs), improving throttle response and overall engine