This product fits the following applications:
• 2002-2014 Subaru WRX
• 2004-2020 Subaru WRX STI
• 2004-2013 Subaru Forester XT
• 2009-2010 Subaru Impreza 2.5GT
• 2005-2009 Subaru Legacy GT
• 2005-2009 Subaru Outback XT
Cobb Tuning Lightweight Main Pulley (Blue), for Subaru Forester XT 04-13, Impreza WRX 02-14, Impreza STi 04-15, Impreza 2.5GT 09-10, Legacy GT 05-09, Outback XT 05-09.
The COBB Tuning Lightweight Main Pulley is CAD designed and CNC machines from Billet 6061-T6 and anodized to withstanding the toughest of under engine conditions. Replacing the factory main pulley, the lightweight unit improves acceleration by reducing the rotational mass of the stock unit by as much as 4lbs.
The pulley comes specifically maintaining the stock diameter so as to not under drive and cause electrical woes for the owner, as well as maintaining the stock drive belt surface to make for a quick and easy install by even the most novice of owners.