This comprehensive kit is comprised of high-quality parts, and includes new ContiTech timing and Gates balance shaft belts, as well as all the associated rollers. Also included is a new updated water pump (from the 944 Turbo) with all of the necessary parts to adapt it to your 944 or 924S, as well as a new thermostat and all of the seals needed to install these parts. A gallon of genuine Porsche unmixed coolant (mix 50/50 with distilled water for two total gallons) is also included to make your service complete with just one order.