Perrin Blue EJ Alternator Pulley 2007-2021 STI Suspension>Coilovers

Perrin Blue EJ Alternator Pulley 2007-2021 STI Suspension>CoiloversConstructed from high quality materials, the PERRIN Alternator Pulley mimics the signature Crank Pulley design while reducing rotational weight. At just . 116lbs, it is noticeably lighter than the OEM alternator pulley, freeing up engine power and improving throttle response, horsepower, and torque. A simple installation process makes this part perfect for 2007 2021 Subaru WRX STI models.

CNC Formed

(1) 4-Ply Silicone Intake Hose Kit

It foregoes the machining ring around the rim

smooth articulation

(1) Plastic Connector

The Corsa Performance 3-Inch Dual Rear Exit Catback Exhaust System with Twin 3

Brand: BC Racing

Alpha Performance Infiniti Q50/Q60 VR30DDTT Big Bore High Pressure Fuel Pump Low Pressure Feed Line (For Use without Alpha Performance Flex Fuel Kit)

Inspected before shipping

aimed at providing a high-quality replacement that can bring your vehicle up to Stage 0 before moving on to horsepower adding modifications

The friction plates uniformly transfer torque to a Mono-Drive chrome-moly hub which is heat-treated for strength and durability extending input shaft life with one continuous spline

This ensures the back end of the transmission is held in place during extreme driving and gives the driver a positive shift feel