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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 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 551275
LS & LT Cylinder Head Dowel Pin Set
ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LS & LT Cylinder Head Dowel Pin Set LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551275
- Replace Your Rusty or Missing Dowels Before you Assemble Your Engine
- These are Required when Installing Cylinder Heads on Your LS Engine
- Compatible with all Gen 3 4 and 5 LS/LT Series Engine
- Includes 4 Dowel Pins Enough to install 2 cylinder heads
- Stock replacement cylinder head bolts also available for LS engines
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.
Archie
2025-08-06 18:13:30
We’ll guys, I’m doing an Ls 3 in 1970 firebird. And after rebuild the motor I had to replace these head dowel pieces and this ICT product this perfect. No sanding , tapping, just dropped in like an OEM part and whole lot cheaper so good luck everyone.. give them your business!
Customer
2025-08-02 14:34:28
All you do is tap them in with a rubber mallet and call it a day. Heads went on perfect and square. I could not be happier with itc billet over the course of this build.
Cristian
2025-07-21 11:08:43
It worked on a Gen 4 5.3 Engine.
Kay Gee Bee
2025-07-15 15:10:57
I have a silverado v8 4.8 vortec and these were a perfect replacement for the two that got lost when I was changing my head gasket.
Tom E
2025-04-08 10:15:54
Got these in today and was surprised to see exact copies of the GM dowels I was replacing. They fit tight as they should, even had to hammer tap them into block. Maybe the old ones were loose but these fit just like the GM factory dowels on 3/2/2020
C.Bankhead
2025-04-05 17:30:20
Exact part perfectl...ðŸ‘
Chinto Brito
2025-04-03 17:01:14
they do fit a little loose compared to the originals, you could easily expand them open a little more if you wanted to. they were fine for me.
Meagan Leigh Edmonston
2025-03-26 16:00:53
Lost a alignment pin on a 2010 chevy these worked great. Had to split them a little wider to fit nice and tight but worked perfectly
Brad C
2025-03-01 15:48:45
Goods arrived as expected and work perfect. Shipping was far too long. It took over 1 month to arrive. Not acceptable shipping time.
Customer
2025-02-17 18:28:22
No concerns with quality, works as needed and fit tight in the block
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