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4 wrist pin locks
Whether you're chasing dyno numbers or circuit performance
Direct bolt-on fitment ensures hassle-free installation on compatible K-Series platforms
The robust design prevents battery movement during aggressive acceleration
Perfect for autocross
SpeedFactory Racing Honda/Acura B-Series Race Cooling System Fill Pots (-16AN / B16A/B18C5) Wiseco 4 wrist pin locksSpeedFactory'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
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