3/8 NPT Engine Coolant Temperature Sensor The Speedmaster blocks are cast

The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks

while promoting more consistent torque loading

They are manufactured from cast aluminum and have a powedercoated black/ polished finish

these pickups help keep your motor bathed with a healthy supply of oil

1/4" locking dowels have been inserted to stop inner race movement along with a Steel sleeve for sealing ring

3/8 NPT Engine Coolant Temperature Sensor The Speedmaster blocks are castSpeedmaster Powerjection EFI systems use a number of sensors. These sensors will typically last for extended periods, but there may come a time when your Powerjection system sensors need to be replaced. When they do, you can count on Speedmaster for coolant temperature sensors, oxygen sensors, throttle position sensors, and more that will fit perfectly and do the job that you expect. If you need to replace your sensors, do it with the originals from