FOR SALE: NEW Tonneau Cover

From : steve

Q: i have a 2004 ram 3500 with the cummins h.o. engine and 6-speed hd trans. what is the story on the torque how can i tell if i have the 555lb-ft engine or the 600 any ideas left-hand drivers side of the black plastic valve cover the one that says dodge cummins 24v is a white sticker. the engine hp will be listed on that. 305hp=555lb.ft. and 325hp=600lb.ft. .