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VWporscheGT3 Samba Member
Joined: September 01, 2006 Posts: 2170 Location: Gardnerville, NV
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Posted: Tue Jan 10, 2023 3:42 pm Post subject: ICON VW pistons |
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Hi guys,
I've been working on this for a while , but I am happy to finally announce that we now have some new options for performance VW pistons. I work for United Engine and Machine who makes ICON, KB, Silvo-lite and Dualoy pistons and I am pretty passionate about our hobby and have found myself in a unique spot to try and offer a Forged Piston to others that I would use myself.
IC10069 - 94mm "A" Comp height
IC10070 - 94mm "B" Comp height
IC10071 - 92mm "A" Comp height
IC10072 - 92mm "B" Comp height
quick glance features
-Forged 4032 Alloy, Higher silicon content allows tighter piston to wall clearance than a 2618 forging. piston slap is greatly reduced on cold startups.
-Anodized Crown and first ring groove to prevent ring micro welding and abrasion protection with an added benefit of acting like a thermal barrier
-1.5, 1.5, 4.0mm ring pack. We wanted to use a ring pack that would stand up to boosted applications but also be easily sourced should the customer want to go with a total seal ring down the line.
- Full round design provides strength where it counts giving rigidity to the skirt where it is needed.
-Double broach and forced pin oilers, keeping that pin lubricated is critical in a floating pin application.
-M42 skirt coating protects against dry starts giving abrasion protection on engine start.
If you have any questions please feel free to ask. Thanks guys. _________________ If you have any questions about Forged ICON 4032 VW pistons just shoot me a line. |
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Glenn  Mr. 010

Joined: December 25, 2001 Posts: 79412 Location: Sneaking up behind you
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Posted: Tue Jan 10, 2023 3:55 pm Post subject: Re: ICON VW pistons |
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Looks nice, glad we have what looks like a quality product.
We need more things like this. _________________ Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
עַם יִשְׂרָאֵל חַי |
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Brian_e  Samba Member

Joined: July 28, 2009 Posts: 3949 Location: Rapid City, South Dakota
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Posted: Tue Jan 10, 2023 4:06 pm Post subject: Re: ICON VW pistons |
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Very cool!
Are you including piston pins with them?
I will take a set of the 94B's.
You hit the major sizes, but what about a 94C height? I have been hoping for a more affordable 94c to make the 86mm crank and 5.7" rod engines super easy and stock width. _________________ So more or less the lazier and stupider you want to be, the nicer quality parts you need to buy.
-Modok
www.type-emotorsports.com
Type E Engine Parts and Supplies
https://type-emotorsports.com/collections/engine-parts |
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VWporscheGT3 Samba Member
Joined: September 01, 2006 Posts: 2170 Location: Gardnerville, NV
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Posted: Tue Jan 10, 2023 4:15 pm Post subject: Re: ICON VW pistons |
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Brian,
These will be sold in kits only. Pistons, Pins, Locks (ROUND WIRE) and Rings. I want to offer "C's" in the near future for both bores, I want to do 90.5's also its going to be a matter of getting these out there to justify the additional sizes and compression heights.
Shoot me a line through PM and I can give you pricing. Or you Can reach me directly at UEM 1-800-648-7970, Just ask for Trevor. _________________ If you have any questions about Forged ICON 4032 VW pistons just shoot me a line. |
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DerrickfromNC1 Samba Member
Joined: October 24, 2008 Posts: 1399 Location: North Carolina
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Posted: Tue Jan 10, 2023 4:46 pm Post subject: Re: ICON VW pistons |
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What are the choices other than AA for purchasing 92tw barrels to match up to these ICON pistons?
Thanks |
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modok Samba Member

Joined: October 30, 2009 Posts: 27645 Location: Colorado Springs
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Posted: Tue Jan 10, 2023 8:21 pm Post subject: Re: ICON VW pistons |
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AWESOME
That to me looks like a VERY good piston
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bugguy1967 Samba Member
Joined: January 16, 2008 Posts: 4368 Location: Los Angeles, CA 90016
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Posted: Tue Jan 10, 2023 8:46 pm Post subject: Re: ICON VW pistons |
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I like the width in-between the bosses, but that top land is awfully thick and the piston looks heavy. The latter hurts more than it helps. We need more ~350g bare pistons to help reduce crank flex. _________________ "A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune." - Colin Campbell, "The Sportscar Engine" |
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modok Samba Member

Joined: October 30, 2009 Posts: 27645 Location: Colorado Springs
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Posted: Tue Jan 10, 2023 8:50 pm Post subject: Re: ICON VW pistons |
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If it's too thick you can trim some off, far easier than welding it back on.
The pin looks short, that will help save weight. Can't please everybody.
Looks like a cummins B piston back there too |
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Ebel Samba Member
Joined: June 07, 2015 Posts: 563 Location: New york
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Posted: Tue Jan 10, 2023 10:45 pm Post subject: Re: ICON VW pistons |
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A cheaper piston isn’t going to have .010” ramping to remove material. It increases machine time by multiples. You can’t get a cheap piston made correctly that’s got everything done. . I imagine they are made from an existing forging or I’d never consider having new tooling made just for vws. I’d never consider it. Be happy someone is. The amount of time and money it takes to produce a new forged, machined part isn’t cheap. |
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Clatter Samba Member

Joined: September 24, 2003 Posts: 7769 Location: Santa Cruz
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Posted: Tue Jan 10, 2023 11:48 pm Post subject: Re: ICON VW pistons |
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YEAH!!
Great to see top quality stuff coming out.  _________________ Bus Motor Build
I have excellent news for the world...
There is no such thing as patina.
It does not exist! |
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Dan Ruddock Samba Member
Joined: October 25, 2012 Posts: 3668 Location: Sarasota, in my adopted state of Florida
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Posted: Wed Jan 11, 2023 6:07 am Post subject: Re: ICON VW pistons |
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Are the pins offset? Seeing the arrow on top makes me think yes they are offset. How much they weigh would be nice to know also. Great to see someone is doing a 4032 piston. I am interested in a set for the Berg GBF crank carrillo rod 2387cc engine I am collecting parts for. Already have crank, rods and 94mm revmaster long cylinders.
Dan |
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VWporscheGT3 Samba Member
Joined: September 01, 2006 Posts: 2170 Location: Gardnerville, NV
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Posted: Wed Jan 11, 2023 9:11 am Post subject: Re: ICON VW pistons |
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DerrickfromNC1 wrote: |
What are the choices other than AA for purchasing 92tw barrels to match up to these ICON pistons?
Thanks |
Currently AA is your best option for the barrels, but I am working on procuring barrels for both the 94's and the 92's with someone I work with on the regular who has Higher standards for barrels hardness and material. The key will be selling the boss man on this.
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modok
PostPosted: Yesterday 7:50 pm Post subject: Re: ICON VW pistons
If it's too thick you can trim some off, far easier than welding it back on. Razz
The pin looks short, that will help save weight. Can't please everybody.
Looks like a cummins B piston back there too |
Pin is 2.500 long , .160 wall thickness. weighs 113 grams . if someone really wanted to be a weight weanie (joking) you can find 2.5" chamfered end pins with a .120 wall closer to 90 gram mark. If I remember right Trend has one that is right around 85 grams. Yeah that cummins 5.9 piston is 7198D from our Dualoy line.... Fun fact, the Alfin bonded ring was Pioneered by United Engine and Machine...We did it first and for many years were THE standard for Heavy Duty Iron first groove pistons.
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Ebel
PostPosted: Yesterday 9:45 pm Post subject: Re: ICON VW pistons
A cheaper piston isn’t going to have .010” ramping to remove material. It increases machine time by multiples. You can’t get a cheap piston made correctly that’s got everything done. . I imagine they are made from an existing forging or I’d never consider having new tooling made just for vws. I’d never consider it. Be happy someone is. The amount of time and money it takes to produce a new forged, machined part isn’t cheap. |
Ebel You sir are correct. The head mill process does add more time to the machining ... but in this case we are talking maybe 3 minutes per piston not enough to drastically alter the cost of the piston. In the future we are looking at changing the core to the forging die to hopefully eliminate that process.
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Dan Ruddock
PostPosted: Today 5:07 am Post subject: Re: ICON VW pistons
Are the pins offset? Seeing the arrow on top makes me think yes they are offset. How much they weigh would be nice to know also. Great to see someone is doing a 4032 piston. I am interested in a set for the Berg GBF crank carrillo rod 2387cc engine I am collecting parts for. Already have crank, rods and 94mm revmaster long cylinders.
Dan |
Dan , the 94B's are right around the 385 gram mark with a pin weight of 113. they are offset pin for quieter operation like the factory piston. Shoot me a line I would be happy to quote ya. 1-800-648-7970 extension 114 _________________ If you have any questions about Forged ICON 4032 VW pistons just shoot me a line. |
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c77owen Samba Member

Joined: July 07, 2017 Posts: 455 Location: Kansas City, MO
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Posted: Thu Jan 12, 2023 2:12 pm Post subject: Re: ICON VW pistons |
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How do these compare in price and make up to the Wiseco offerings? I certainly like what I see and look forward to getting my hands on some. |
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Clatter Samba Member

Joined: September 24, 2003 Posts: 7769 Location: Santa Cruz
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Posted: Thu Jan 12, 2023 2:29 pm Post subject: Re: ICON VW pistons |
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When you say the pin locks are ‘round wire’..?
Those are like stock?
Snap rings like type 4s have - A.k.a. Tru-arc?
Spiro-locks hold tight,
But my growling when trying to remove them scares my dog…! _________________ Bus Motor Build
I have excellent news for the world...
There is no such thing as patina.
It does not exist! |
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VWporscheGT3 Samba Member
Joined: September 01, 2006 Posts: 2170 Location: Gardnerville, NV
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Posted: Thu Jan 12, 2023 3:18 pm Post subject: Re: ICON VW pistons |
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c77owen wrote: |
How do these compare in price and make up to the Wiseco offerings? I certainly like what I see and look forward to getting my hands on some. |
Owen, I'm not allowed to discuss price on the thread, but shoot me a line at the shop and i can quote you direct , its competitve. the Wiseco piston is a 2618 piston , as such it requires more clearance due to the expansion properties of 2618. the 4032 our piston is requires less clearance which is going to be better for folks who want a streetable race piston that doesn't slap the skirts like a 2618 does when cold.
Clatter, When i say Round wire , yes like stock , but tang-less, super easy to get in. Same ones I am using on my Customs I just built. On the spiro's i hear ya... they are a fantastic lock, the key is getting in under the little cut on the end of the ring. _________________ If you have any questions about Forged ICON 4032 VW pistons just shoot me a line. |
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jimmyhoffa Samba Member

Joined: February 16, 2014 Posts: 1173 Location: St. Louis
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Posted: Thu Jan 12, 2023 3:49 pm Post subject: Re: ICON VW pistons |
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The Mahle Motorsport forged coated pistons use the same/similar round wire locks and I quite like them. Those pistons are 2618, and they are set up in my engine with .0048" clearance. They are audible at idle when cold. Nothing scary, but you can definitely hear it. (I'm set up on the loose end even though I'm N/A because it's an off-road car that bounces through water and such and is generally a candidate for thermal shock situations.)
I probably speak for a few people when I say the 4032 availability in 92mm and 94mm sizes is a welcome addition for hi-po street builds. Likely this will be my choice when my 1835 mexi efi engine gets boosted. I remember ACTIVELY looking for a 4032 offering for my last build and then saying "Huh. Oh well. 2618 it is!"
I give you the coveted dual thumbs up award for innovation and quality in VW aftermarket. 👍👍
On those Mahles in my engine I ran a soft 280 grit Sunnen rigid hone for size and then flipped the hone through the cylinder the other way to knock the Rp down on the finish. I have KILLER ring seal. Any different tips for your ring package in cast iron barrels? _________________ 1974 Chenowth 2RL #1244 Street Legal
My other car isn't ridiculous. |
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dubman67 Samba Member

Joined: April 10, 2003 Posts: 299 Location: Big Sky Country
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Posted: Sat Jan 14, 2023 9:25 am Post subject: Re: ICON VW pistons |
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Nice. I ordered a set of Icon pistons 92mm for a 22R Toyota .25 over. Had a set of AA thick wall 92 cylinders bored out. Toyota pistons have a 29.64mm pin height. With an 84mm crank and 5.5 connecting rod, it makes a damn near stock width motor. _________________ 67 Bug
62 Double Cab
[url=https://www.vw-mplate.com/mplate2-54829.png]Click to view image[/URL]
"At 17 got my first Volkswagen...and mastered the life long art of dragin...." Ice Cube |
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VWporscheGT3 Samba Member
Joined: September 01, 2006 Posts: 2170 Location: Gardnerville, NV
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Posted: Mon Jan 16, 2023 8:23 am Post subject: Re: ICON VW pistons |
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dubman67 wrote: |
Nice. I ordered a set of Icon pistons 92mm for a 22R Toyota .25 over. Had a set of AA thick wall 92 cylinders bored out. Toyota pistons have a 29.64mm pin height. With an 84mm crank and 5.5 connecting rod, it makes a damn near stock width motor. |
Yeah I remember reading about you doing that. Very cool  _________________ If you have any questions about Forged ICON 4032 VW pistons just shoot me a line. |
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maui Samba Member
Joined: May 16, 2004 Posts: 438
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Posted: Mon Jan 16, 2023 10:35 am Post subject: Re: ICON VW pistons |
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Yes a C piston will be good. I running a 90mm x94mm and 5.88 rods and a C would be good |
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Dan Ruddock Samba Member
Joined: October 25, 2012 Posts: 3668 Location: Sarasota, in my adopted state of Florida
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Posted: Mon Jan 16, 2023 1:06 pm Post subject: Re: ICON VW pistons |
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Bought a set 94b's from Trevor. |
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