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Author Topic: Pistons for a 103 stroker CVO  (Read 3232 times)

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Socalshocker

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Pistons for a 103 stroker CVO
« on: September 08, 2018, 01:13:22 AM »

Does anyone have a good supplier for a set of 10.5:1 pistons for a 2006 stroker CVO Softail motor? Maybe a supplier that will sell to people that live in the blue state of California? I'm having a hell of a time putting parts together for this build.  And better, do you know of a place where I can push that to a 3.937" Bore 10.5:1 set of pistons?? Many thanks in advance!
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prodrag1320

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Re: Pistons for a 103 stroker CVO
« Reply #1 on: September 08, 2018, 07:06:20 AM »

when you say stroker,what stroke are we talking about? I can get you just about any piston kit you would need

TorqueInc

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Re: Pistons for a 103 stroker CVO
« Reply #2 on: September 08, 2018, 07:13:42 AM »

Does anyone have a good supplier for a set of 10.5:1 pistons for a 2006 stroker CVO Softail motor? Maybe a supplier that will sell to people that live in the blue state of California? I'm having a hell of a time putting parts together for this build.  And better, do you know of a place where I can push that to a 3.937" Bore 10.5:1 set of pistons?? Many thanks in advance!

Those I'd have made to spec....I don't go over 3.915 bore
In any compression ratio
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DCFIREMANN

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Re: Pistons for a 103 stroker CVO
« Reply #3 on: September 08, 2018, 08:10:17 AM »

I sent you a PM. I have everything you need.

Be Safe

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HD Street Performance

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Socalshocker

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Re: Pistons for a 103 stroker CVO
« Reply #5 on: September 08, 2018, 08:11:25 PM »

It has a Bore of 3.875" and a 4.375" Stroke. Im not sure if this is the same as the newer 103 motors or not. It is a 2006 CVO Screamin Eagle.
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Socalshocker

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Re: Pistons for a 103 stroker CVO
« Reply #6 on: September 08, 2018, 08:15:33 PM »

https://ariaspistons.com/products/twin-cam-88-1999-2006-103-ci-3-885-10-5-1

Are you guys a machine shop, if so what area. and what is the cost on these pistons and are you selling a ring kit with it? Sorry about the long compound sentence.  :cucumber:
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prodrag1320

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Re: Pistons for a 103 stroker CVO
« Reply #7 on: September 09, 2018, 09:48:40 AM »

we can get you a CP piston kit,PM me

johnsachs

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Re: Pistons for a 103 stroker CVO
« Reply #8 on: September 09, 2018, 07:14:54 PM »

The pistons for an early CVO SE 103, are completely different than the later 07' and up 103" engines. The earlier CVO SE 103" engines had hemi style heads, and larger valves. The later 103" flat top pistons won't work either, because of the valve pockets, and wrist pin bosses.
What cams are you planning on using ?
John
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HD Street Performance

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Re: Pistons for a 103 stroker CVO
« Reply #9 on: September 10, 2018, 12:41:04 PM »

You can buy the pistons from Arias / CP. I bore and torque plate hone. They are the OEM supplied to Harley back in the day for the cvo 103, and again Sachs hits the nail on the head
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Socalshocker

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Re: Pistons for a 103 stroker CVO
« Reply #10 on: September 11, 2018, 08:21:09 PM »

Thanks for the replies guys. I  am going with a Woods TW-5G cams. It's a big heavy beast of a chopper and I don't need a lot of top end on this bike.
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CAR GUY

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Re: Pistons for a 103 stroker CVO
« Reply #11 on: September 12, 2018, 05:09:27 PM »

Question please. Would the 3.937 piston need to be domed, in order to get to 10:1 compression, using the original CVO script heads (approx 95cc chamber)? If so. How much dome would be required? i have been kicking around this 103 to 107 move for awhile. Thank you!
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johnsachs

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Re: Pistons for a 103 stroker CVO
« Reply #12 on: September 12, 2018, 06:25:32 PM »

Question please. Would the 3.937 piston need to be domed, in order to get to 10:1 compression, using the original CVO script heads (approx 95cc chamber)? If so. How much dome would be required? i have been kicking around this 103 to 107 move for awhile. Thank you!
Need to know what cam you have in mind to answer your question. I did a 106 several months ago for a member of this forum with the CVO hemi heads, and flat top pistons. Made 122 h.p. Dyno sheet is on this forum.
John
« Last Edit: September 12, 2018, 06:28:03 PM by johnsachs »
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CAR GUY

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Re: Pistons for a 103 stroker CVO
« Reply #13 on: September 12, 2018, 06:33:46 PM »

current cam Redshift 575 conversion.
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Socalshocker

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Re: Pistons for a 103 stroker CVO
« Reply #14 on: September 12, 2018, 10:13:40 PM »

current cam Redshift 575 conversion.

They say good things about this cam and I was going this direction originally but they don't sell to people that live in Califonia  >:(
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