Perrin Alternator Pulley Red Subaru STI 2007-2021 | PSP-ENG-119RD Mazdaspeed6_2006-2007 2010 Subaru WRX 2

2010 Subaru WRX 2

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

This is a replacement genuine Subaru OEM PCV Hose (99081)

Compatible with all BMW N54 platforms

Helps eliminate blind spots

Perrin Alternator Pulley Red Subaru STI 2007-2021 | PSP-ENG-119RD Mazdaspeed6_2006-2007 2010 Subaru WRX 2Upgrade 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