I have a 2000 silverado 2500 not hd (does not have the hd emblems) and its a ext cab 8 foot bed and i want to buy a lift kit for it but i cant find one for just the 2500 i can only find one for the 2000 2500 hd heres the question i still have the window paper from when the truck was bought and it says it has the heavy duty chassis can i fit the 2500 hd lift kit on my truck?