Radium Coolant Expansion Tank, Nissan R35 GT-R Add Cap?:No Flow Refined

Flow Refined

Tapered I-Beam with undercut beam profile optimizes strength-to-weight

Machined to match the curvature of the OEM outer tie rod ends

Tunability

2 to 4 Rotor engines

Radium Coolant Expansion Tank, Nissan R35 GT-R Add Cap?:No Flow RefinedClick here to download installation instructions (PDF) Click Here for an 3rd party review and installation Because 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.