i'm the person who bought Don's bike and since I purchased it last May have done nothing to it except fluid changes. Have put on approx.20,000 KMs (12,000 miles). Trips to Mexican Hat, Sturgis and local riding in Alberta and British Columbia.

The 2015 CVO has a 110" engine. The valves are already 2.08 and 1.625. The stock CVO heads flow 18% more than the OEM heads!  It is not realistic to think the heads need any work whatsoever if you want to have a nice running bike that makes about 100-105hp/110tq. That can be had with a cam exhaust and tune.

Now if you are going to put miles on this bike the next steps are longevity items including new valve guides and a serdi valve job plus minor pocket porting, better lifters, valve springs lighter (weight) and lower pressure, adjustable rigid pushrods, inner cam bearings, and rocker lockers. 

I sold my 2013 to a forum member here, geezerglide, ask him, that is what I did to my bike. I was very satisfied with the performance and knew I had addressed longevity. He got on it and has riden cross country already trouble free. If the heads are off now they can be milled a conservative amount to get the compression up and a little bigger cam can be leveraged. I didn't, left the heads alone except good seals and the spring change, and used a very mild cam.

If you want a good sealing long runner that will make great power next step is boring to 113" (you stated not in the plan), headwork with a larger intake valve.
There are variants to these steps but notice a oil pump was not changed but when the cam is changed the crank is checked and that could spawn a whole frame out overhaul if the runout exceeds .006", a number I chose as a point where oil pump and cam plate are affected.
 
Conversation begins with how you ride, how many miles the bike will see, and what are your goals. What is your budget? What is your tolerance for hot rod manners at low engine speeds? Already touched on, what are you comfortable with as far as engine work and tools? Who will tune this engine after it is very far out of stock spec? This is not a "download of a canned map". Lots of things to consider before plunking down a wallet of money with a box store. If I am involved I want to talk to the tuner first and be sure we are on the same page there.

Welcome from the Tar Heel state!!!

HD Street performance is a well respected member on here and can take care of your needs. He'll chime in once He sees your post.

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The CVO 110 engine is infamous for Lifter failure. I have owned 2 so far. The first one I changed the lifters at 10K miles as "Preventative Maintenance".
I will do the same again if my wife actually ever gets up to 10K Miles.

I'm already looking at this winter's mods for my '15 CVO Street Glide.  I purchased it in Feb with 1871 miles on it and have already cracked 3000 miles in a couple months.  I'm just looking to bolster performance a bit, get rid of the crapola springs, and change cams.  I'm looking for a couple answers and some input.  To keep it simple for me and responders: everything I'm looking to do is well within my mechanical abilities, but I am not well versed with messing with jugs and pistons, so a 117 upgrade isn't an option.

Intentions are to:

1.  Send off heads to "some" head work done to replace springs and valves guides, as well as some porting work.  Hillside and Zippers are highly recommended for this work, but I've found that FuelMoto also does this work and I'm leaning towards using them because I can send my heads back for core once the new ones arrive.  Their package includes:

-Complete disassembly, inspection, and cleaning of cylinder heads
-Extensive CNC porting, texturing, and blending with an emphasis on best all around performance
-Custom FM porting performed by Ward Performance
-Oversize Stainless 5/16 1.900" Intake 1.610" Exhaust valves
-Serdi valve job
-.650 lift Beehive style valve springs are manufactured from ultra-clean high silicon/vanadium Kobe alloy wire
-CNC machined combustion chamber

Still trying to decide which way to go.  Is there anything else I should be considering?

2.  Whomever I get to do the headwork;  I'm going to roll with their recommend cams (bearings/pushrods/lifters included) to optimize the head work performed.  My question is:  Is the CVO oil pump and cam plate adequate to support all the above-mentioned work, or should I bite the bullet and put in an upgraded oil pump and cam plate?

I already have a tuner and wideband O2 sensors in my 2-1 exhaust, so tuning will not be an issue.  There is an Indy shop that has an excellent reputation for tuning within a reasonable drive from me as Memphis is a wasteland for Indy shops

Welcome from Delaware!!!

welcome from Germany

Welcome from Germany. Sharp bike you got. Beautiful color

My 1st question is what kind of warranty did the dealer give you when you bought it? 100 miles is like 1 day from the purchase.  Your dealer is dishonest!