ACT 2007 Mazda 3 HD/Race Rigid 6 Pad Clutch Kit - ZX5-HDR6 Nerf Bars cooling fins machined into the

cooling fins machined into the valve body add even more heat dissipation

Either 1 or 2 mufflers as ordered

Powerful Sound: This system produces a powerful sound unleashing all available horsepower and torque

5 Liter SM330

60% increased core volume over stock offers more efficient cooling in demanding conditions

ACT 2007 Mazda 3 HD/Race Rigid 6 Pad Clutch Kit - ZX5-HDR6 Nerf Bars cooling fins machined into theZX5 HDR6 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 6 pad rigid race discs are made with high quality, ceramic friction