BILLET SPEC Overflow Tank 15" Smooth - High Performance Aluminum Coolant Reservoir for Cars, Trucks & Hot Rods - Perfect for Engine Cooling System Upgrades & Custom Builds

Looking for the best overflow tank on the market? Look no further - they’re right here! Billet Specialties overflow tanks are machined from 6061-T6 billet aluminum and include an adjustable billet mounting bracket with hidden hardware. Choose from either ribbed or smooth designs to match our engine accessories. Tanks are 2” in diameter and available in three lengths measured from the bottom of the cap to the base of the tube.

Aluminum push-on fittings included

Polished or black anodized finish

Stainless hardware included