Extended Length Adapter

Male M12-1.5 to Female 3/8" NPT 

• This adapts SBC/BBC coolant temperature sensors to fit into LS series cylinder heads
• Fits: all GM LS Series Engines
• Made in Wichita, KS from aerospace grade, USA billet aluminum
• Includes: 1 adapter and 1 sealing washer

Will fit sensors with 1.7" 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)