Cobb Tuning [02-14 WRX, 04-21 STI, 04-13 Forester XT, 05-09 Legacy GT, 05-09 Outback XT] Lightweight Main Pulley – Stealth Black

Upgrade the Subaru engine bay with the COBB Tuning Lightweight Main Pulley, a CAD-designed and CNC-machined Billet 6061-T6 pulley that keeps the stock diameter and belt surface for straightforward installation while reducing rotational mass for sharper engine response.

• Confirmed fitment: 2002-2014 Subaru Impreza WRX, 2004-2021 Subaru WRX STI, 2004-2013 Subaru Forester XT, 2005-2009 Subaru Legacy GT, and 2005-2009 Subaru Outback XT
• Billet 6061-T6 construction with black anodized finish
• Stock diameter helps avoid underdrive-related electrical issues
• Reduces rotational mass by up to 4 lb compared with the factory pulley
• Pulley weight: 1.2 lb; installation effort: easy with basic tools
• References: COBB Tuning product page; CARB EO D-660-248