Radium Coolant Expansion Tank Kit Category_Turbo Kits we support upgrades to 9/16th

we support upgrades to 9/16th head studs with added material

AVCS on intake only

2x AN6 EFI Barbs (BLK)

while also providing increased oil pressure at higher boost levels to provide increased protection and confidence

Fits early heads without NVCS

Radium Coolant Expansion Tank Kit Category_Turbo Kits we support upgrades to 9/16thBecause of continuous and intense heat cycling, plastic coolant tanks have a reputation of failing over time. Fortunately, the rugged 2 piece Radium Engineering replacement is CNC machined from aluminum and anodized for increased longevity. And because aluminum is a superior thermal conductor material, heat transfer is further improved. Additionally, the metal construction is robust enough to use in racing applications. This 2017+ Honda Civic Type R