ACT Mod-Twin 225 XT Sprung Race Clutch Kit - 2004-2021 Subaru STI 2004-2021 PDM_brake-upgrade-kits Adds more stability to the

Adds more stability to the rear lower subframe

And no exhaust paste needed

Side cuts only where the spokes meet the hub and on their outer ends to optimally balance the need for lightweight and rigidity

you may need a larger wheel for proper clearances

The ACT Heavy Duty pressure plate provides Heavy Duty clamp load

ACT Mod-Twin 225 XT Sprung Race Clutch Kit - 2004-2021 Subaru STI 2004-2021 PDM_brake-upgrade-kits Adds more stability to theACT Mod Twin 225 Xtreme Rigid Race Clutch Kit for 2004 2021 Subaru WRX STI The ACT Mod Twin 225 Xtreme Rigid Race Clutch Kit for 2004 2021 Subaru WRX STI is a twin disc clutch system designed for builds that have exceeded what a single disc clutch can reliably hold. Two 225mm friction discs multiply the friction surface and heat capacity beyond any single disc alternative. Target application: high power builds up to ~500 whp. DETAILS System: ACT Mod