SpeedFactory Racing Honda/Acura B-Series Upper Coolant Fill Neck SF Apparel / Accs. / Youth innovative cooling solution for your

innovative cooling solution for your turbocharged Honda /Acura

Each stud/washer/nut assembly weighs only 14g

Core Thickness: 4

vacuum systems and more

SpeedFactory Racing Honda/Acura B-Series Upper Coolant Fill Neck SF Apparel / Accs. / Youth innovative cooling solution for yourWhether 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 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 materials