5.7 timing chain cover w/ waterpump

Car accessories and timing cover (what you have - can be 5.7 or 6.1 from car):


Truck accessories and timing cover (what you want?):


here's a publication by mopar. It looks like you might be able to delete the P/S and A/C on the truck cover and make it work.
http://www.thehemi.com/data/5.7L_Hemi_ABE_Installation_Kits.pdf