Radium Engineering Coolant Tank Kit Lotus Elise/Exige S2 2ZZ-GE, OEM Location - 20-0270-01

Radium Engineering 20-0270-01 coolant tank kit for the Lotus S2 Elise and Exige with the Toyota 2ZZ-GE engine, mounted in the OEM location.

• Billet aluminum swirl expansion tank, two pieces bolted together
• Three ports use 6AN male adapters instead of tapered pipe threads
• CNC billet aluminum cap receiver accepts any standard 32mm Type-A pressure cap
• Swirl feature injects pressurized coolant tangentially into a vortex chamber to aid de-aeration
• Replaces the factory Denso plastic tank
• Uses the factory threaded mounting holes, no drilling required
• Factory hoses are converted to 6AN with the included hose ends
• Can be installed with the rear clamshell in place
• Pressure cap not included. The OEM Lotus cap is 1.1 Bar. Optional Radium pressure caps are sold separately

Included

• Billet aluminum coolant tank, anodized black
• Nickel-plated sight tube fittings
• Aluminum 6AN male adapter fittings, anodized black
• Aluminum 6AN hose ends, anodized black
• Laser-cut aluminum tank bracket, powder-coated black
• Laser-cut aluminum hot-soak water pump bracket, anodized
• Rubber isolation coolant tank grommets
• Hot-soak water pump cushion clamp
• Mounting hardware

Fitment

Resources

• Radium Engineering product page
• Radium installation instructions (PDF)

Contact us if you are unsure of fitment or Size HERE