PERRIN Lightweight Alternator Pulley Red - Fits 06-14 Subaru WRX / 07-21 STI / 06-13 Forester subaru-crosstrek-2018 our fuel rails operate in

our fuel rails operate in parallel format

Constant supply of fresh air during driving helps to decrease intake temperature

23 x 0-5V analog inputs with redunancy for electronic throttle and switchable 5V pullup

Installation Instructions

FULL Battery Management System (BMS) including Over-Discharge

PERRIN Lightweight Alternator Pulley Red - Fits 06-14 Subaru WRX / 07-21 STI / 06-13 Forester subaru-crosstrek-2018 our fuel rails operate inThe PERRIN Lightweight Alternator Pulley in red is engineered for 2006 2014 Subaru WRX, 2007 2021 STI, and 2006 2013 Forester models. By reducing rotational mass, this pulley enhances engine responsiveness and efficiency, contributing to improved throttle response and potential power gains. Crafted with precision and durability in mind, it offers a reliable upgrade for enthusiasts seeking optimized performance without compromising reliability.