The is a rugged, polished aluminum coolant overflow and expansion tank engineered for performance engines and custom builds. Designed to maintain proper coolant levels and help manage heat under high-stress driving conditions, this compact tank delivers reliable service while enhancing your engine bay’s look with its race-ready finish.
Built from polished aluminum, this tank resists corrosion and stands up to the high temperatures and rigors of performance driving. With precise fabrication and a sleek finish, it looks as good as it performs.
With a 2.50-quart capacity and a compact rectangular design (approx. 4.00″ L × 4.50″ W × 9.50″ H), this tank holds an ample volume of coolant while fitting easily into tight engine bays. Its layout makes it adaptable for a wide range of vehicles and applications.
Featuring a 1/4″ NPT bottom inlet and 1/8″ NPT top neck outlet, and supplied with a billet neck and cap with a 1/4″ nipple, this tank integrates smoothly with most custom coolant plumbing setups. Whether you’re upgrading a street car or building a track machine, plumbing is flexible and straightforward.
The highly polished aluminum exterior adds visual flair to your engine compartment. It’s not just practical — it’s a statement piece that complements performance builds and show cars alike.
Its rectangular shape and thoughtful port placement make installation clean and unobtrusive, so you can tuck it neatly out of the way or highlight it as part of a custom engine bay presentation.
Whether you’re tackling a restoration, a custom project, or a high-output performance build, this expansion tank offers a simple, effective solution for coolant management.
The Granatelli Motor Sports Coolant and Expansion Tank – 500302 gives you the capacity, quality, and polished good looks that performance builders demand. Keep temperatures in check, prevent overflow problems, and give your engine bay the upgrade it deserves — no compromises.
