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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 - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114
GM Transmission Line, 1/4" NPSM to -6AN Hose Adapter Set
ICT Billet - Transmission Adapter
Fittings Front and Rear -6AN Flare NPSM to -6AN Hose Adapter Set TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114
- Used To Replace Factory Quick Disconnect Cooler Hard Lines With An Style Hose And Fittings.
- Compatible With: Up To 2007 Both Front & Rear (Top & Bottom) Gm Trans Case Holes (4L80E Rear Fitting, See Other Listing 551124)
- Thread Pitch: -6An To 1/4""Npsm (Thread O.D. Measures .516"", Standard Gm Transmission Case Thread)
- Compatible With: Th350, Th400, 4L60E, 700R4, 200-4R, Tr6060, And Ford Aod Transmissions 4R100, 4R70W, C5
- Made In Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
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.
Richard Cayer
Reviewed in Canada on March 6, 2025
merci!
Xlt 654 mod.
Reviewed in the United States on September 9, 2024
Ordered Trans line kit for 700r4 and they worked very well and worked in 700r4 just as they said they would.
Mike Dorough
Reviewed in the United States on September 11, 2024
These are nice little pieces
Cheri Smith
Reviewed in the United States on March 8, 2024
Fitment was perfect. Had to buy a second because I was being dumb and wanted to make sure it was snug after I did not 10 minutes prior and it broke in the transmission. Luckily I had a bolt that was slightly larger than the inside of the fitting and that it bit well enough to get the broken part threaded back out.
Jacob Pettit
Reviewed in the United States on February 2, 2024
Works great, fit my transmission.
Duane Tucker
Reviewed in the United States on November 25, 2024
Looks to be good quality. Haven't installed yet. Great price and fast shipping
David Carlson
Reviewed in the United States on October 31, 2024
works as it should, good fit
peter stahldorf
Reviewed in Canada on October 20, 2024
Great product thank you
Glen M. Kern
Reviewed in the United States on September 12, 2023
These look and feel to be of high quality, but they wont fit all 4L60e transmissions. The Trans from my 2011 Colorado needed part number 202702-6-6s. I should also mention, I was changing the factory transmission lines, for A/N fittings and hydraulic hose. But if you're reading this, you're probably doing something similar.
glen forbes
Reviewed in Canada on December 18, 2021
Good machining...well made ...thx
Keith
Reviewed in the United States on May 4, 2020
Bought these to replace the rusty leaking hard lines on my 4L60e with soft (6an braided stainless) lines. Super quick shipping came two days early for a total of four days from order to product in my hand. Not bad for free shipping if you ask me. Good quality for a great price. Good surface finish, nice threads. I mean a few very small blemishes on a few of the threads, was going to upload a few photos but apparently you can’t right now. Nothing that’s going to make or break your project though, just what happens with shipping unfortunately. Still way better then any of the bolts you buy at Home Depot that come from overseas, to give you an idea of how small an issue it actually is. (Aka they still thread in perfectly fine) Overall very happy with them and will absolutely purchase from ICT BILLET again.Edit: Came back a few weeks later and could upload photos. So you can see in the photos the tiny imperfections I was talking about, not bad at all.
Client d'
Reviewed in Canada on May 11, 2019
Work great!!
R&B Racing
Reviewed in Canada on November 26, 2019
Fit great
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