Fits:

• 2023+ Acura Integra Type S DE5
• 2023+ Honda Civic Type R FL5

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Important Notes:

Over time, the factory plastic coolant expansion tanks that Honda/Acura include from the factory can weaken and fail from heat and pressure cycles. The PRL Coolant Expansion Tank kit replaces the factory tank with a more robust aluminum version. Our 6061 aluminum tank will not be effected by temperature and can hold higher pressures so it will out-last the factory tank. Our reservoir alsomore than doubles the tank’s coolant capacityto 1.32 quarts(1.25 liters),while the stock tank only holds .58 quarts(.55 liters)allowing for a greater volume of coolant to carry heat away from the engine internals while maintaining a tidy engine bay.

Our tank is constructed from 3mm thick aluminum and features internal baffling to prevent coolant sloshing and cavitation. The kit includes fittings to fit both the 2017-22 FK8 Civic Type R as well as the 2023-25 FL5 Type R and 2024+ Acura Integra Type S. The FK8 fittings can also be used to mount this Expansion Tank on your 2017-21 Honda Civic SI.

Key Notes:

• Robust 3mm 6061 Aluminum Construction
• Laser Cut and TIG Welded for Unmatched Fit and Finish
• Striking Red or Black Anodized Finish with Laser Engraved Logos
• Billet Machined Barb Fittings and Sight Glass
• Buna-N O-Rings for Unmatched Temperature and Leak Resistance

Kit Includes:

• Fully welded and anodized expansion tank (red or black)
• 1x 1/16 NPT 8mm barb fitting
• 2x 8AN ORB 14mm barb fittings
• 1x 8AN ORB 17mm barb fitting
• 1x 8AN ORB 8mm barb fitting
• 1x 10AN sight glass