Perrin Performance Alternator Pulley for Subaru WRX/STI/Impreza Lightweight B...
In StockSKU: PSP-ENG-118BK
$63.12
As low as $15.78/mo with or . (Pay in 4 interest-free payments)
Description
Perrin Performance Lightweight Alternator Pulley for Subaru WRX / STI / Impreza Brand: Perrin Performance Replace your factory alternator pulley with this precision-engineered lightweight pulley designed for Subaru WRX (2002–2005), STI (2004–2006) and Impreza (1993–2011). Finished in durable black, it reduces rotational mass to improve throttle response and accessory drive efficiency. Direct fit: Designed to match OE dimensions for a hassle-free installation. Lightweight construction: Lowers rotational inertia for crisper engine response and reduced parasitic loss. Durable finish: Anodized black coating resists corrosion and wear. Improved efficiency: Optimizes alternator speed under load for better electrical performance at higher RPMs. Quality assurance: Manufactured to Perrin Performance standards for fit, form and function. This pulley is ideal for enthusiasts seeking subtle performance gains, improved throttle feel and reliable daily driving. Professional installation recommended. Check compatibility with your exact model year and engine before purchase.
Features
Enhances throttle response with reduced rotational mass for improved performance.
Direct fit design ensures easy installation without modifications needed.
Anodized finish protects against corrosion, ensuring long-lasting durability.
Boosts electrical efficiency by optimizing alternator speed under load.
Engineered for Subaru enthusiasts, delivering subtle yet impactful gains.
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