Weapon-R 826-136-101 Billet Aluminum Coolant Overflow Tank with Pressure Cap

The Weapon-R 826-136-101 is a high-performance billet aluminum coolant overflow tank with pressure cap, engineered for enthusiasts and racers who demand durability and a clean engine bay appearance. Constructed from aerospace-grade 6061 billet aluminum and TIG welded with precision-machined billet aluminum fittings, this tank delivers a leak-free seal capable of handling the demands of high-performance driving.

Key Features:

• Constructed from 6061 billet aluminum with TIG welded seams for maximum strength and durability
• Precision-machined billet aluminum fittings for a proper, leak-free seal
• Includes a billet aluminum mounting bracket and stainless steel clamps for secure installation
• Comes with 3 feet of clear fiber-reinforced tubing to route coolant or oil vapors
• Designed to capture overflowing fluids safely in the catch tank — not onto the ground
• Vehicle-specific fitment aligns with OEM bolt holes — no modifications required
• Also available in Neo-Ti finish for a premium anodized look

Originally developed with racing in mind, this coolant overflow tank keeps your cooling system tidy and compliant on and off the track. The bolt-in design simplifies installation, while the polished billet construction adds a refined, professional appearance under the hood.