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1999-2000 Honda Civic Si (B16A)
resulting in increased horsepower and torque
You can attach the line to the fuel rail using one of the AN fittings supplied with the line
180 Degree Aluminium Pipe x2
patent-pending water neck designs and throttle body flanges
SpeedFactory Radiator Filler Neck - B18C P72 Fitting Type:32mm 1999-2000 Honda Civic Si (B16A)SpeedFactory Radiator Filler Neck B18C P72 Whether 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
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