Speedway Motors Black Aluminum Radiator Coolant Overflow Expansion Tank, 3 x 9 Inch Cylindrical Design, Welded Mounting Tabs, Hose Barb Fitting, Universal Fit

3" outside diameter, 1/4" O.D. nipples - works with any radiator. Stops loss of coolant and prevents pulling air into system when cooling off. Black stainless steel expansion reservoir tank with screw-on cap. Heavy wall construction. Billet screw in cap. Clear neoprene seal.

• Universal Fitment: Designed for a wide range of street rods, muscle cars, hot rods, and custom builds requiring a compact coolant overflow expansion tank solution
• Durable Aluminum Construction: Lightweight aluminum body provides strength, corrosion resistance, and long-lasting performance in demanding engine bay environments
• Compact 3" x 9" Size: Cylindrical design measures 3 inches in diameter and 9 inches tall, making it ideal for tight engine compartments and custom mounting locations
• Secure Mounting Tabs: Integrated welded mounting tabs allow for easy installation and stable attachment to radiator support, firewall, or inner fender panels
• Coolant Recovery Function: Helps manage coolant expansion and recovery, maintaining proper radiator fluid levels during heat cycles and improving system reliability