SpeedFactory Radiator Filler Neck 32mm Outlet LS/B20 Hasport The design was only finalized

The design was only finalized after rigorous comparison

each Billet Battery Tiedown is precision CNC machined from high-quality

Eliminate Anti-Roll Bar pre-load or fine tune to your liking

air is taken in from inside the front grille

SpeedFactory Radiator Filler Neck 32mm Outlet LS/B20 Hasport The design was only finalizedWhether you have a custom radiator or a SpeedFactory Race Tucked radiator, you need a proper way to fill your engine's cooling system from the highest point and we have the solution. SpeedFactory Racing B Series LS B20 Upper Coolant Fill Necks are compatible with most aftermarket radiator setups, and change the high point of your cooling system for easy filling and system air bleeding. Our necks are manufactured in house using high quality aluminum