Perrin Alternator Pulley Red Subaru STI 2007-2021 | PSP-ENG-119RD Mazdaspeed6_2006-2007 Triple plate design capable of
Yard notes & kiln story
Description
Triple plate design capable of 880 lb/ft torque
Helps eliminate blind spots
Benefits of CAI without Water Ingestion Issues
Tip Diameter: 4" quad tips (2 on each side)
Quickly and easily tune out the delayed throttle response from the factory with Injen’s X-Pedal Pro Black Edition for a completely new driving experience
Perrin Alternator Pulley Red Subaru STI 2007-2021 | PSP-ENG-119RD Mazdaspeed6_2006-2007 Triple plate design capable ofUpgrade 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