Here's some info on the stock bars on various models for comparison if you want more pull back or rise.
http://www.moccsplace.com/images/harley/hbar/hbarspct.htm

Also another one for the specs on all bikes.
http://www.sideroadcycles.com/AmericanMotorcycles/Handlebars/Stock_Bars.html

Keep in mind these are for comparison of sizes, as some bars will not work with the batwing because of the base width.

Virtual Handlebar Pics (scroll down) Select your bike and change the bars to see how you like it.
http://www.wild1inc.com/


Another alternative on some bikes is to go with higher risers with the same bars for added comfort.

An upgrade bar for road kings that works well is the #55954-00 which is a bit higher and pull back is more. It requires no modifications to cables or lines also.

Here is a link to a ROAD KING bar swap.
http://mysite.wanadoo-members.co.uk/hhog/rkbarswap.pdf


Here's a chart by part number for the common bars. Scroll down the page below the Picture for the link.

http://www.latus-harley-davidson.com/Chrome-Handlebars-Heritage-Softail-Classic-1.htm