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The Granatelli Motor Sports Coolant and Expansion Tank – 500301 is a 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 dependable service while enhancing your engine bay’s appearance.
Built from polished aluminum, this tank resists corrosion and stands up to high temperatures and the demands of performance driving. Precision fabrication ensures long-lasting durability with a clean, professional finish.
With a 1.25-quart capacity, this rectangular tank provides sufficient coolant overflow capacity for most performance and custom applications. It measures approximately 3.00″ L × 4.50″ W × 7.00″ H, making it ideal for tight engine bays.
Featuring a 3/8″ NPT inlet and 1/2″ NPT outlet, this expansion tank integrates smoothly with most custom coolant plumbing setups. Installation is straightforward and builder-friendly.
The polished aluminum exterior adds visual appeal to any engine compartment. Functional and clean-looking, it complements both performance builds and show cars alike.
The thoughtful port placement and rectangular shape allow for a clean, unobtrusive installation. Easy to tuck away or showcase as part of a custom engine bay.
From restorations and daily drivers to high-output performance machines, this expansion tank delivers reliable coolant management wherever it’s needed.
The Granatelli Motor Sports Coolant and Expansion Tank – 500301 gives you the capacity, quality, and polished style performance builders demand. Keep temperatures in check, prevent overflow issues, and upgrade your cooling system with confidence — no compromises.
