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The Nuke Performance Coolant Expansion Tank with oversized Vortex chamber, for high-performance and motorsports applications.

The Nuke Performance Coolant Expansion Tank, 0.8L Performance, is developed for high-performance engines where coolant control, deaeration, and durability are critical.

Enhanced Deaeration thanks to the oversized Vortex chamber
Type-A radiator cap compatibility
0.8L capacity aluminum dual-chamber design
AN-6 ORB inlet and dual AN-10 ORB outlet ports
Leak-free high-pressure operation with O-ring sealed body

Manufactured from lightweight billet aluminum and designed with an oversized Vortex chamber, this performance expansion tank is engineered to be an integrated part of the pressurized cooling system. Designed to withstand extreme heat and pressure while delivering stable coolant circulation under demanding motorsports conditions.

The oversized Vortex Chamber ensures enhanced de-aeration, the core of the design of the Performance coolant tank from Nuke Performance.
At the core of the design is the oversized Vortex chamber. Incoming hot coolant is directed tangentially into the chamber through the AN-6 ORB inlet, initiating rotational flow. The increased internal volume enhances air separation efficiency, stabilizes coolant circulation, and improves system performance compared to conventional designs.

Dual-chamber internal layout with oversized Vortex chamber
Designed to be a part of the pressurized cooling system

The tank features a dual-chamber internal layout with controlled cross-flow passages, both top and bottom. This design supports stable coolant movement, controlled air separation, and consistent pressure management within the pressurized system. Engineered to be an integrated part of the pressurized cooling system, not an overflow tank.

AN-6 ORB inlet port and dual AN-10 ORB outlet ports enable a wide range of fitting options with our selection of fittings and adapters.
An AN-6 ORB port located in the upper section serves as the inlet for incoming hot coolant. Its positioning routes coolant directly into the Vortex chamber for optimized rotational flow and air separation. We offer a wide range of AN-6 ORB fittings (available here) and adapters to suit your installation.

AN-6 ORB inlet directs coolant into the Vortex chamber
6mm barb adapter for the radiator cap overflow port
Main AN-10 ORB outlet posit