The SPEC Clutch Stage 4 Clutch Kits SO114 are high-performance clutch kits designed for use in manual transmission vehicles. These kits include a clutch disc, pressure plate, release bearing, and alignment tool, all of which are made from high-quality materials for maximum durability and performance. The Stage 4 Clutch Kits are specifically designed for vehicles with high horsepower and torque, making them ideal for use in racing or high-performance applications. They offer improved grip and engagement for faster shifts and better overall performance. These kits are compatible with a wide range of vehicle makes and models and are a popular choice among enthusiasts and professional racers alike.