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

OEM-Quality Construction:

(1) Noble Hella Horn Bracket and mounting hardware

range 120mm~149mm)- Reduce chassis sway during cornering while maintaining agility and good driving feedback- This sway bar set was designed engineered to perform greatly for daily street performance and weekend track warrior

high-performance look to Scion FR-S

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