SpeedFactory Racing Honda/Acura B-Series Race Cooling System Fill Pots (-16AN / B16A/B18C5) Wiseco Perfect for high-performance builds

Perfect for high-performance builds

Perfect for autocross

Titanium construction withstands extreme temperatures while reducing thermal expansion compared to standard steel studs

4 wrist pin locks

Built for serious off-road recovery and vehicle extraction

SpeedFactory Racing Honda/Acura B-Series Race Cooling System Fill Pots (-16AN / B16A/B18C5) Wiseco Perfect for high-performance buildsSpeedFactory's billet thermostat housing delivers precision cooling management for engines. Machined from high grade aluminum, this component replaces restrictive OEM designs with superior flow characteristics and reliability. The port configuration integrates seamlessly with custom cooling systems and aftermarket setups. Built to withstand elevated boost pressures and sustained performance driving, it maintains consistent coolant temperatures under