ACT Xtreme Clutch Kit 4 Puck Sprung Disc Subaru STI 2004-2021 / Legacy GT Spec B 2007-2009 | SB10-XTG4 ForesterXT_2009-2013 wideband oxygen sensors can become

wideband oxygen sensors can become contaminated or wear out

perfect for building a custom kit or adding on to an existing OEM reservoir system

Weighted aluminum construction improves shifting by increasing inertial weight in order to allow shifter to more smoothly and quickly engage into the gear box

Additional Information

ACT Xtreme Clutch Kit 4 Puck Sprung Disc Subaru STI 2004-2021 / Legacy GT Spec B 2007-2009 | SB10-XTG4 ForesterXT_2009-2013 wideband oxygen sensors can becomeFitment Information: 2004 2021 Subaru STI 2007 2009 Subaru Legacy GT Spec B Note: Legacy GT spec. B models will need to use the STI flywheel in order to use this clutch Features: ACT's SB10 XTG4 kit features a sprung, 4 pad race clutch disc paired with their ever popular Xtreme pressure plate. What does this mean for you? Well, that means that you will have moderate to heavy pedal effort with aggressive engagement and the ability to handle up to 766ft