2L+ High Capacity Aluminium Header Tank Motorsport Expansion Tank

Designed and fabricated in the UK by The Alloy Shed, this compact 2L+ aluminium header tank is built for reliable performance in high-demand cooling systems.

It offers strength, durability and long-term resistance to vibration and pressure.

With a true internal capacity of approximately 2.2 litres, this tank provides increased coolant reserve compared to typical 1.5–2L units — ideal for performance road, track, drift and kit car builds.

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Specification

Material: aluminium

External Dimensions: 195mm × 142mm × 90mm (excluding fittings)

Gross Internal Capacity: Approx. 2.2 litres

Top Bleed Port: 10mm hose connection

Bottom Outlet: 19mm hose connection

Mounting Bracket Centre Distance: Approx. 244mm (centre to centre)

Standard European-size CNC-machined filler neck (cap not included)

Build philosophy & quality assurance

All products are manufactured in low volume to allow proper control over fit-up, welding and finishing.

Built properly. Not quickly.