ACT Heavy Duty Race Sprung 4 Pad Clutch Kit For 1990-2005 Mazda MX-5 Miata 1.6L/1.8L 2004-2021 Harley-Davidson Sportster Supports 700 HP Peak Power

Supports 700 HP Peak Power

2001-2019 GMC Sierra  2500/3500 6

Upgrade the OEM head bolts on your 2017-2023 GM 6

2007-2008 BMW 328xi

UCAs connect the knuckle to the frame

ACT Heavy Duty Race Sprung 4 Pad Clutch Kit For 1990-2005 Mazda MX-5 Miata 1.6L/1.8L 2004-2021 Harley-Davidson Sportster Supports 700 HP Peak PowerZM2 HDG4 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 4 pad spring centered race disc features a spring center to properly damp