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 and feature laser-cut head flanges to ensure a perfect fit every time.
SpeedFactory Racing B-Series Upper Coolant Fill Necks are available for B16/ Integra Type R/ GS-R cylinder heads in -16AN or 32mm (standard hose end) configurations.
Radiator caps sold separately.
All of our turbo manifolds maintain a 10 year warranty to the original owner from the purchasing date. Our warranty covers all material and manufacturing defects. All of our fabrication is done in house in the USA. We utilize the best material and fabricator available to ensure that you'll never have a problem. We do NOT cover warranty claims on issues caused by you. We also do not warranty second hand owners at this time.