SpeedFactory Radiator Filler Neck 32mm Outlet GSR Hardrace With the help of a

With the help of a specialized air filter cleaning solution and low-pressure water

Manually foldable mirror housing

with an over 80% increase in spring rate over the soft factory springs

as well as the Forester STi SG9

and/ or any swap using the K20A/ K20A2/ K20Z1/ K24A1 engines or cylinder heads has finally arrived

SpeedFactory Radiator Filler Neck 32mm Outlet GSR Hardrace With the help of aWhether 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