This crankshaft extension kit is designed for direct replacement of your Mazda Miata 1.6L or 1.8L engine. The kit includes two pieces made of durable metal material in silver color. It is a perfect fit for your vehicle and ensures maximum performance of your engine. The brand of this kit is CCPower and it is a type of crankshaft that comes with a saver repair kit. This kit is ideal for those who want to repair their crankshaft without replacing the engine. It is compatible with various models and brands of cars and trucks. Get your hands on this high-quality kit and enjoy a smooth and efficient engine performance.