Clutch Masters 850 Series steel twin-disc flywheel for 2004–2015 Subaru Impreza STI 6-speed applications. CNC-machined and precision balanced in the USA, the steel flywheel is black oxide coated for corrosion resistance, SFI 1.2 certified for motorsports, and intended to pair exclusively with FX850 clutch kits to improve rev response and reduce turbo lag in turbocharged setups.
Clutch Masters 04-15 Subaru Impreza STi 6spd 850 Series Steel Twin Disc Flywheel