Manley 16pc Titanium Retainer Set (1.80/.870) Subaru WRX 02-14 / STI 04-21 | 23185-16 Wheel Color_White this billet aluminum pulley is

this billet aluminum pulley is approximately 37% lighter than the factory unit

- M5 Hex Wrench

) and ceramic (301

and this results in a small difference in the oxygen ion concentration between the tube's internal and external surfaces

Manley 16pc Titanium Retainer Set (1.80/.870) Subaru WRX 02-14 / STI 04-21 | 23185-16 Wheel Color_White this billet aluminum pulley isProduct Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STI Enhance your Subaru WRX or STI's valvetrain with Manley Performance's Titanium Valve Spring Retainers (Part #23185 16). Crafted from heat treated aerospace grade titanium, these retainers are engineered to withstand the demands of high performance engines. Key Features: Premium Material: Manufactured from heat treated aerospace grade titanium for superior strength and lightweight performance.