The Competition Clutch Stage 4 Sprung * Strip Series 1620 Clutch Kits provide up to 250% increase in torque capacity. The six-puck high torque sprung disc with Ceramic buttons is good for penetrating engagement with higher horsepower applications. The 1620 Series kits include a Competition Clutch performance pressure plate, 6 puck torque sprung disc with Ceramic buttons, throw out bearing (where applicable), pilot bearing/bushing (where applicable), and alignment tool. Stage 4: Clutch Kit: 1975-86 Nissan Pick-up 2 L, 82-83 200SX 2.2L, 75-83 280Z/280ZX 2.8L Nissan: 200SX 82 - 83 2.2 L Engine, Nissan: 280Z 75 - 78 2.8 L Engine, Nissan: 280ZX 79 - 83 2.8 L Engine, Nissan: 620 75 - 79 2 L Engine, Nissan: 720 80 - 86 2 L Engine