Water Return Freeze Plugs

A GREAT NEW Kit to improve your Cooling System when using any type Iron Block, Precision CNC Machined to replace your Steel Type Freeze Plugs they have 1/2” NPT Threaded Centers and Special Spiral Pins locate and hold the Plugs from ever moving. You’ll be able to return the Hot Water directly back into your Radiator making your System much more efficient (Reverse Cooling). The Kit comes with 4 – Precision CNC Machined Plugs and 8 Locating Pins. Easy to install. Most Top Engine Builders use this type of system, so should you!! Lines Sold Separately!