Clutch Masters Steel Flywheel Subaru STI 2004-2021 | FW-721-SF vendor_Muteki This socket has been fabricated

This socket has been fabricated from hardened steel

and race-proven performance

Rated to 800HP

This is a direct replacement for FR-S/BRZ PERRIN Performance intakes systems including the Big MAF intakes

Clutch Masters Steel Flywheel Subaru STI 2004-2021 | FW-721-SF vendor_Muteki This socket has been fabricatedPart #: FW 721 SF Clutch Masters Flywheels are designed and tested to ensure the safety and quality of every flywheel. Years of R&D has given us the knowledge and firsthand experience to choose wisely the best material to manufacture flywheels that will surpass your expectations. Depending on the application, the majority of Clutch Masters flywheels are made from 6061 T6 Billet Aluminum, 1045 or 4140 Billet Steel. Clutch Masters Flywheels are SFI