Synergy C6ZR1 Engine Bay Water Tank for the LS9 Platform. The water tank mounts directly to the mounting bolts of the dry sump, and locates itself right next to the dry sump canister. Complete with -12an ports draw and return, you will have no shortage of flow for your water system. Fittings and hoses are supplied with the kit, enough to be able to adapt into most water setups. With the ability to hold another 1.75 gallons, you will surely benefit from the additional volume of coolant in the system.
The water tank can also be used in the C6Z06 dry sump cars as well when needing a water fill source for any other water system.