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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
including the JDM D15B 3-Stage VTEC engine and USDM D15 variants)
front facing wastegate
Built-in axle seal stop (for easy & precise depth control during installation)
even if your state does not perform testing
-Universal M8x1
SpeedFactory Racing Honda/Acura LS/B20 Upper Coolant Fill Neck Style:'-16AN including the JDM D15B 3-StageWhether 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 LS B20 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
