COMPETITION CLUTCH STAGE 4 NISSAN 350Z 370Z G35 G37 VQ35HR VQ37HRThis assembly, available with a six puck sprung plate is good for penetrating engagement with higher horsepower applications. This disc complimented by a performance pressure plate provides up to 250% increase in torque capacity. 300 mile break in recommended with this set up. The 1620 Series kit includes a performance pressure plate, a 6 puck torque sprung disc with Ceramic buttons, all applicable bearings and the appropriate alignment tool. Warranty