LS Swap Coolant Temperature Sensor Sending Unit Adapter M12 1.5 to 3/8 NPT LS1
551179
Male M12-1.5 to Female 3/8"-18 NPT Adapter
This adapts SBC/BBC (3/8" NPT) coolant temperature sensors to fit into LS series cylinder heads
Compatible with: all GM LS Series Engines
Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
Includes: 1 aluminum adapter, 1 sealing washer
Will fit sensors with .85" length, measured from probe tip to the outer edge of adapter. Most aftermarket gauges will use a 3/8" NPT thread adapter (usually included with gauge)
