I need some Hemi engine help!

Can some one tell me what size hemi engine I have and are there any good web sites out there. The numbers I have are:
Block #1551629-1 F85
Heads #1488833-1
Is there any other numbers I need to look for? I'm new to owning a Hemi so any help would be great.
Thanks for your time and help.
King

 

http://legendsspeedshop.com/Page_3.html

 

Looks like its a 1955 331 Chrysler

 

Check out ScooterMcRad's Hemi Tech Index here on the HAMB. Also www.hothemiheads.com for parts & a forum. www.TheHemi.com