Perrin Alternator Pulley Blue Subaru STI 2007-2021 | PSP-ENG-119BL vendor_Turbo XS range 120mm~149mm)- Reduce chassis sway

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

Weight Savings of Over 75%

high-performance look to Scion FR-S

Reduce take off and driveline shudder under heavy loads

Perrin Alternator Pulley Blue Subaru STI 2007-2021 | PSP-ENG-119BL vendor_Turbo XS range 120mm~149mm)- Reduce chassis swayUpgrade 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