The IHI Turbo Turbocharger Kit - 493978 is a comprehensive kit of products designed for use in a car's turbocharger system. It includes a variety of components to help improve the performance and efficiency of the turbocharger, resulting in increased power and acceleration for the vehicle.

The kit contains 13 different items, including a turbocharger itself, as well as various supporting components. These may include items such as gaskets, seals, bolts, and other hardware necessary for installation and maintenance of the turbocharger.

In addition, the kit may also include items such as an intercooler, which helps to cool the compressed air from the turbocharger before it enters the engine, resulting in a denser and more powerful air-fuel mixture. Other items may include a boost controller, which allows for precise control of the turbocharger's boost levels, and a blow-off valve, which releases excess pressure from the turbocharger to prevent damage.

Overall, the IHI Turbo Turbocharger Kit - 493978 is a comprehensive set of products designed to enhance the performance and efficiency of a car's turbocharger system, providing an improved driving experience for the vehicle's owner.