Clutch Masters Steel Flywheel Subaru STI 2004-2021 | FW-721-SF Impreza_2012-2016 The revolutionary slotted arm design

The revolutionary slotted arm design does away with the need for bulky and hard to reach jam nuts

All Mazda Miata

is powder coated in signature Cusco blue and bolts on to pre-existing holes

The Brian Crower BC3040 Intake Valve Set is a high-performance valvetrain upgrade for Honda and Acura K-series engines

This tool has been fabricated using high precision laser cut construction and has been made to provide years of service

Clutch Masters Steel Flywheel Subaru STI 2004-2021 | FW-721-SF Impreza_2012-2016 The revolutionary slotted arm designPart #: 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