SpeedFactory Radiator Filler Neck 32mm Outlet LS/B20 Hasport Compatible with HKS or aftermarket

Compatible with HKS or aftermarket cams

These benefits are achieved while maintaining a stock feel for daily driving

more commonly known as the IACV

5kg and having a relatively small 65mm diameter tip

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

SpeedFactory Radiator Filler Neck 32mm Outlet LS/B20 Hasport Compatible with HKS or aftermarketWhether 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