Zirgo 10498 17" Polished Billet Aluminum Coolant Overflow Tank 16 oz

The Zirgo 10498 is a 17-inch polished billet aluminum radiator coolant overflow tank engineered for high-performance and custom engine bay builds. Machined from 6061-T6 billet aluminum and finished to a mirror polish, this overflow reservoir combines functional reliability with show-quality appearance. With a 16 fl. oz. capacity and a compact 17-inch (431 mm) profile, it is an ideal solution for vehicles with low-mount radiators where space is at a premium.

Key Features:

• 6061-T6 Billet Aluminum Construction – Lightweight, corrosion-resistant, and built for heavy-duty use
• Machine Polished Finish – Mirror-bright appearance straight out of the box
• Internal Adjustable Overflow System – Zirgo's unique design routes overflow internally, eliminating the unsightly external overflow tube from the top of the tank
• Adjustable Mounting Brackets (2 included) – Bolt-on billet brackets clamp securely without drilling or fabrication
• O-Ring Sealed Billet Cap – Knurled top cap opens easily yet maintains a leak-free seal; included with tank
• Hidden Fill and Drain Tubes – Integrated internal routing keeps the exterior clean and uncluttered
• Threaded Input & Output Ports – Accepts a barbed nipple or 7/16-20 NPT fitting on the base for flexible hose routing
• 16 fl. oz. (473 mL) Capacity – Sized for compact, low-profile installations
• 100% Leak-Tested – Every tank is pressure tested before shipping
• Designed in the USA – Backed by a Limited Lifetime Warranty and free live USA technical support

Packaged in a box with foam support to ensure safe delivery. Installation instructions available via Zirgo part code ZIROFT17.