ITEM NAME:(Extended Length) LS Coolant / Water Temperature Sensor Sending Unit Adapte B7N2 (Extended Length) LS Coolant / Water Temperature Sensor Sending Unit Adapte B7N2 Item Weight: 0.06kg Interchange Part Number: Temperature Sensor Special Features: Temperature Sensor Placement on Vehicle: Temperature Sensor Material : metal color:silver Other Part Number: Temperature Sensor Extended Length Adapter Male M12-1.5 to Female 3/8 inch NPT This adapts SBC/BBC coolant temperature sensors to fit into LS series cylinder heads Fits: all GM LS Series Engines Will fit sensors with 1.7 inch length, measured from probe tip to the outer edge of adapter. Most aftermarket gauges will use a 3/8 inch npt thread adapter Package Contents: 1* adapter 1* sealing washer