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About ICT Billet
ICT Billet was born from a passion for LS swaps. After tackling our first swap in 2001, we saw the need for better parts and reliable information. In 2014, we launched ICT Billet to provide high-quality, American-made parts that simplify and enhance LS and LT swaps.
We’re dedicated to supporting car enthusiasts with precision-engineered products, detailed installation guides, and world-class service. Thank you for choosing ICT Billet—your partner in making exceptional builds a reality.
ICT Billet LS Cylinder Head Plug for Coolant Temperature Sensor Hole M12-1.5 LS1 LSX LS3 Fitting Hose Thread Fuel Oil Gas Coolant Connector Pipe 551158
Plug for Coolant Temperature Sensor Hole
ICT Billet LS Cylinder Head Plug for Coolant Temperature Sensor Hole M12-1.5 LS1 LSX LS3 Fitting Hose Thread Fuel Oil Gas Coolant Connector Pipe End Braided Plumbing Plug for Coolant Temperature Sensor Hole.
- M12-1.5 Thread For Plugging Ls Series Cylinder Head Coolant Holes
- Compatible With: All Gm Ls Series Engines 1997-2014
- Made In Wichita, Kansas From Aerospace Grade, Usa Produced, Billet Aluminum
- Includes: 1 Aluminum Plug, 1 Sealing Washer
Premium USA Produced Materials
Our parts are crafted from premium-grade materials, sourced and produced right here in the USA. Designed by experts in our state-of-the-art facility, we use cutting-edge American-made equipment to ensure unmatched quality and durability.
Exceptional Quality
At ICT Billet, quality is our standard. Every part we produce is crafted with precision using advanced manufacturing technologies in our USA facility. Our commitment to excellence ensures unmatched reliability and performance for your engine swap.
Innovation in Development
At ICT Billet, precision is key. Using advanced technology, we laser-scan vehicles to create solid models for perfect fitment every time. Our commitment to research and development ensures our products work seamlessly from the start.
Proudly American Made
Keeping jobs in America is our priority. We use USA-made materials, belt tensioners, metric flange bolts, pulleys, and more. Our focus on American manufacturing means reliable products you can trust.
Your Complete LS Swap Shop
From engine mounts to wiring, ICT Billet is your one-stop shop for LS swaps. We provide everything you need to make your swap smooth, efficient, and professional.
SEMA Proud, SEMA Strong
As a proud member of SEMA, we are part of an elite group of automotive manufacturers. Our dedication to quality and innovation sets us apart, delivering products you can depend on.
Jonathan Floyd
Reviewed in the United States on September 8, 2022
Used many ICT billet items on my LS swap and they all work great and have no quality issues!
Nick
Reviewed in the United States on October 30, 2022
After doing a motor swap, didn’t take the plug out of old head. This was a suitable replacement.“Right rear” or “front left”(sensor) of head
Kyle
Reviewed in the United States on April 6, 2022
Sealed up nice. It is aluminum so be careful tightening!
Baste
Reviewed in the United States on April 25, 2022
perfect fit to plug the water sending unit on my LS engine
Customer
Reviewed in the United States on September 25, 2019
Easy Order, Fast Shipping, and Quality as always with ICT
Kyle Murray
Reviewed in the United States on September 24, 2019
Part worked well for my application. Threads were machined accurately so it went in with no problems. I did add some anti seize since it went into an aluminum head just to be safe.
jason roman
Reviewed in the United States on September 23, 2019
To plug coolant temp sensor port on an ls motor.
Tim
Reviewed in the United States on June 14, 2018
Part exactly as described. Perfect plug for the coolant temp sensor port on my LS heads.
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