Clutch Masters Aluminum Flywheel Subaru 2004-2021 STI

Made from 6061-T6 aircraft grade billet aluminum or steel with a replaceable high-carbon steel friction surface and an OEM steel ring gear secured by bolts, Clutch Masters flywheels are some of the finest available on the market. Each unit is certified to meet SFI Spec 1.1 or 1.2 and is backed by a limited lifetime warranty.

Weight

Aluminum: 11 lbs

Steel: 15 lbs