I too was looking at the 57, but a call to Gary at Andrews, he recommended the 54 over 57 on these new 103's, Just thought i would share that, I"m not a cam guru,

 

Humm, I would check this for miscommunication. The 103 twin cooled is 10.1 compression the none twin cooled is not.
I have nothing to do with GMR but here's a custom grind from Andrews. GMRs website has some dyno charts posted and from my experience with Steve he will tell you straight-up good info. There's anotherother forum with great dyno info from guys that perform dynos daily with no bs. Just sayin

 

204 comes in a bit earlier. I know it's a 2012 but I went from the 204 to the 57h chasing a bit more power....I was disappointed. After bumping compression and doing head work I am happy though. I would think a wethead would do well with the 57h but the other rushmores I would say 204

 

Gary seems to be all over the place with his recommendations....

 

Gary's got into the booze cabinet if ya ask me...

Try this on for size...advance the 57 with using +4 gear...now you have a SE204 on steroids.

 

I should have mentioned I have a wethead, going with the 57H. The compression is a little higher.

 

Oh got it, obviously being a street glide no wet heads here but I'm still reading a lot of good results even with the SG's

 

Kuryakn TC-24d could be in the running as well

 

Check out the S&S 551c cam. Drop in bagger cam, low to mid range torque beast. I love it. Its no slouch on the top end either.

 

The se585 I just put in my streetglide are very torquey... Seem to come in a tad later then my 255's