Header Tanks
Designed to help eliminate air pockets and maintain stable coolant pressure, contributing to improved cooling efficiency and engine protection.
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Aluminium Header Tank 1.5L – Pressurised Coolant Reservoir (Vertical)
Regular price £140.00 GBPRegular priceSale price £140.00 GBP -
Aluminium Header Tank 1.5L – Pressurised Coolant Reservoir (Horizontal)
Regular price £140.00 GBPRegular priceSale price £140.00 GBP -
Subaru WRX / STI Aluminium Header Tank | Coolant Reservoir (02–07 WRX, 04–14 STI)
Regular price £130.00 GBPRegular priceSale price £130.00 GBP -
2L+ High Capacity Aluminium Header Tank Motorsport Expansion Tank
Regular price £160.00 GBPRegular priceSale price £160.00 GBP
Coolant Swirl Pots
Aluminium coolant swirl pots designed to improve air separation, aid bleeding, and stabilise cooling systems in motorsport and performance applications.
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Aluminium Coolant Swirl Pot | Motorsport Fabricated | 0.9L
Regular price £140.00 GBPRegular priceSale price £140.00 GBP
Fuel Swirl Pots
Crafted by Hand, designed to prevent fuel starvation under hard cornering and maintain consistent fuel delivery on track or road.
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Aluminium Fuel Swirl Pot | Motorsport Fabricated | 1.5L AN-Fitting
Regular price £145.00 GBPRegular priceSale price £145.00 GBP -
Aluminium Fuel Swirl Pot | Motorsport Fabricated | 1.5L
Regular price £130.00 GBPRegular priceSale price £130.00 GBP
Oil Management
Hand-built, Designed to separate oil vapour and blow-by gases, keeping your intake system clean and efficient.
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Oil-Air Separator (-10 / -12 AN) Baffled
Regular price £145.00 GBPRegular priceSale price £145.00 GBP -
Aluminium Oil Catch Can | Motorsport Fabricated | 1.5L
Regular price £120.00 GBPRegular priceSale price £120.00 GBP
Fuel Tanks
Hand-built aluminium fuel tanks for motorsport and custom builds. TIG-welded in the UK.
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Aluminium Fuel Tank | Motorsport Fabricated | 5L Capacity
Regular price £170.00 GBPRegular priceSale price £170.00 GBP
Power Steering Reservoirs
TIG-welded aluminium power steering reservoir— built for reliability, clean look, and precise steering performance.
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Aluminium Power Steering Reservoir | Motorsport Fabricated
Regular price £110.00 GBPRegular priceSale price £110.00 GBP
The Alloy Shed Journal
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Cooling System Pressure Caps Explained
Pressure caps are a small but critical part of any cooling system. This article explains how radiator and header tank caps work, why pressure matters, and how to choose the...
Cooling System Pressure Caps Explained
Pressure caps are a small but critical part of any cooling system. This article explains how radiator and header tank caps work, why pressure matters, and how to choose the...
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Swirl Pot Sizing: Why Capacity Matters Less Tha...
Swirl pots are often chosen by capacity alone, but volume is rarely what makes them effective. Height, outlet position, and system layout play a far greater role in how well...
Swirl Pot Sizing: Why Capacity Matters Less Tha...
Swirl pots are often chosen by capacity alone, but volume is rarely what makes them effective. Height, outlet position, and system layout play a far greater role in how well...
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Coolant Swirl Pot vs Header Tank – What’s the D...
Coolant swirl pots and header tanks are often confused, but they serve different purposes. A swirl pot is designed to actively remove air from the cooling system, improving stability and...
Coolant Swirl Pot vs Header Tank – What’s the D...
Coolant swirl pots and header tanks are often confused, but they serve different purposes. A swirl pot is designed to actively remove air from the cooling system, improving stability and...



